Isiah Kiner-Falefa

Isiah Kiner-Falefa

30-Year-Old ShortstopSS
Boston Red Sox
2026 Fantasy Outlook
It is unfortunate, but the memory of Kiner-Falefa's questionable base running in the ninth inning of Games Seven in the World Series is going to linger for some time. From him not getting a better secondary lead to him sliding into home on a force play is a play Toronto fans have likely replayed in their heads multiple times this winter. The utility infielder was in his first year of a two-year deal with Toronto, but it may be best for both parties to find the infielder a fresh start in a new home far away from the Rogers Centre. That said, this is also a player who has never hit as many as nine homers in a season and last stole 20-plus bases in 2022. He is empty average with some speed to contribute in mono leagues along with multiposition eligibility, but otherwise he offers little to fantasy managers. He could be a handy reserve option with the positional flexibility. Read Past Outlooks
RANKS
From Preseason
#452
ADP
Signed a one-year, $6 million contract with the Red Sox in February of 2026.
Gettings reps at first
SSBoston Red Sox
February 16, 2026
Kiner-Falefa is getting work at first base early in spring training due to the absences of Triston Casas (knee) and Romy Gonzalez (shoulder), Sean McAdam of Masslive.com reports.
Analysis
Casas continues to recover from major knee surgery last May, and Gonzalez has been shelved since September due to a left shoulder injury. Kiner-Falefa has typically served at second base, third and shortstop during his major-league career, but the veteran utility man could get some looks at first during spring training and early in the regular season behind Willson Contreras.
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Batting Stats
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2025 MLB Game Log
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2018
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Batting Order Slot Breakdown
vs Right-Handed Pitchers
vs RHP
#1
#2
#3
#4
#5
#6
#7
#8
#9
2
2
3
6
79
vs Left-Handed Pitchers
vs LHP
#1
#2
#3
#4
#5
#6
#7
#8
#9
2
2
3
4
21
Left/Right Batting Splits
Since 2023
 
 
+17%
OPS vs RHP
2025
 
 
+25%
OPS vs RHP
2024
 
 
+22%
OPS vs RHP
2023
 
 
+2%
OPS vs RHP
OPS PA R HR RBI SB AVG OBP SLG
Since 2023vs Left .582 348 44 4 27 7 .230 .288 .293
Since 2023vs Right .681 968 93 12 93 33 .270 .308 .372
2025vs Left .536 124 15 2 13 2 .227 .250 .286
2025vs Right .668 335 30 0 27 13 .276 .315 .353
2024vs Left .589 135 16 1 7 1 .234 .291 .298
2024vs Right .717 361 37 7 36 10 .282 .312 .405
2023vs Left .634 89 13 1 7 4 .230 .337 .297
2023vs Right .648 272 26 5 30 10 .246 .295 .353
More Splits View More Split Stats
Minor League Splits View Minor League Split Stats
Home/Away Batting Splits
Since 2023
 
 
+1%
OPS on Road
2025
 
 
+5%
OPS on Road
2024
 
 
+2%
OPS at Home
2023
 
 
+3%
OPS on Road
OPS PA R HR RBI SB AVG OBP SLG
Since 2023Home .651 630 71 8 55 15 .264 .296 .355
Since 2023Away .658 686 66 8 65 25 .256 .309 .349
2025Home .615 212 23 1 18 5 .264 .292 .323
2025Away .646 247 22 1 22 10 .261 .302 .343
2024Home .690 259 29 4 25 4 .280 .307 .382
2024Away .675 237 24 4 18 7 .256 .305 .370
2023Home .637 159 19 3 12 6 .234 .285 .352
2023Away .653 202 20 3 25 8 .249 .322 .331
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Stat Review
How does Isiah Kiner-Falefa compare to other hitters?
This section compares his stats with all batting seasons from the previous three seasons (minimum 400 plate appearances)*. The bar represents the player's percentile rank. For example, if the bar is halfway across, then the player falls into the 50th percentile for that stat and it would be considered average.

* Exit Velocity and Barrels/PA % are benchmarked against 2019 data (min 400 PA) and Hard Hit Rate is benchmarked against last season's data (min 400 PA). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
  • BB/K
    Walk to strikeout ratio
  • BB Rate
    The percentage of plate appearances resulting in a walk.
  • K Rate
    The percentage of plate appearances resulting in a strikeout.
  • BABIP
    Batting average on balls in play. Measures how many of a batter’s balls in play go for hits.
  • ISO
    Isolated Power. Slugging percentage minus batting average. A computation used to measure a batter's raw power.
  • AVG
    Batting average. Hits divided by at bats.
  • OBP
    On Base Percentage. A measure of how often a batters reaches base. Roughly equal to number of times on base divided by plate appearances.
  • SLG
    Slugging Percentage. A measure of the batting productivity of a hitter. It is calculated as total bases divided by at bats.
  • OPS
    On base plus slugging. THe sum of a batter's on-base percentage and slugging percentage.
  • wOBA
    Weighted on-base average. Measures a player's overall offensive contributions per plate appearance. wOBA combines all the different aspects of hitting into one metric, weighting each of them in proportion to their actual run value.
  • Exit Velocity
    The speed of the baseball as it comes off the bat, immediately after a batter makes contact.
  • Hard Hit Rate
    A measure of contact quality from Sports Info Solutions. This stat explains what percentage of batted balls were hit hard vs. medium or soft.
  • Barrels/PA
    The percentage of plate appearances where a batter had a batted ball classified as a Barrel. A Barrel is a batted ball with similar exit velocity and launch angle to past ones that led to a minimum .500 batting average and 1.500 slugging percentage.
  • Expected BA
    Expected Batting Average.
  • Expected SLG
    Expected Slugging Percentage.
  • Sprint Speed
    The speed of a runner from home to first, in feet per second.
  • Ground Ball %
    The percentage of balls put in play that are on the ground.
  • Line Drive %
    The percentage of balls put in play that are line drives.
  • Fly Ball %
    The percentage of balls put in play that are fly balls.
BB/K
0.22
 
BB Rate
3.7%
 
K Rate
16.8%
 
BABIP
.314
 
ISO
.072
 
AVG
.262
 
OBP
.297
 
SLG
.334
 
OPS
.631
 
wOBA
.281
 
Exit Velocity
84.6 mph
 
Hard Hit Rate
20.3%
 
Barrels/PA
1.1%
 
Expected BA
.246
 
Expected SLG
.302
 
Sprint Speed
24.5 ft/sec
 
Ground Ball %
56.7%
 
Line Drive %
20.6%
 
Fly Ball %
22.6%
 
Advanced Batting Stats
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Additional Stats
Games By Position
Defensive Stats
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Batted Ball Stats
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Stats Vs Upcoming Pitchers
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Past Fantasy Outlooks
2025
2024
2023
2022
2021
2020
2019
2018
Kiner-Falefa split his 2024 season between Toronto and Pittsburgh, but he's had remarkably stable production across all four of his teams. His primary asset at the plate is his ability to make consistent contact (career 15.6 percent strikeout rate) while maintaining a passable batting average. However, his 1.8 percent barrel rate and .089 career ISO highlight the lack of pop in his bat, and he's stolen just 25 bases combined across the last two seasons. That leaves the majority of his fantasy value tied up in team context. His current home in Pittsburgh likely offers him steady playing time at shortstop, but neither the home park nor lineup around him will help in terms of run-scoring or run-producing opportunities. Heading into 2025, Kiner-Falefa is best described as a player who is likely to have secure playing time but with little fantasy intrigue outside of the deepest formats.
Kiner-Falefa's time in New York finally came to an end after a two-year run which saw him lose his starting job while he also did everything but pitch and catch on the field. The disappointing thing for fantasy managers is that IKF was not able to take full advantage of the new stolen base market after a two-year run which saw him succeed in 42 of his 51 stolen base attempts. Power was never in the picture and living in the bottom of the lineup was always the plan, but even the Yankees could no longer tolerate the lack of production from Kiner-Falefa as he struggled to hit in 2023. The six percentage point jump in his strikeout rate was uncharacteristic for him and the impact of that is seen in his batting average. He lacks the power that fantasy managers want to see from a 3B/OF eligible player but we also expect IKF to pick up another position or two in-season. It would not surprise us if he has a bounceback season of sorts away from the pressures of The Bronx.
Kiner-Falefa went from the Rangers to the Twins to the Yankees last winter, and his first season in New York went more or less as expected. He provided a strong glove at shortstop and had a .261/.314/.327 slash line with four home runs and 22 steals in 142 games. His already limited power took a step back with a .066 ISO as he had just 24 extra-base hits. Kiner-Falefa has reached double-digit steals in back-to-back seasons and has a solid .267 average during that stretch, but his 5.2 percent walk rate and minimal power severely limit his potential. His 86.2-mph exit velocity and measly 1.2 percent barrel rate were among the worst in the league for qualified hitters. The light-hitting shortstop remained with the Yankees on a one-year, $6 million deal to avoid arbitration, but he seems unlikely to be the everyday starter again in 2023 with Oswald Peraza and Oswaldo Cabrera pushing for playing time. Kiner-Falefa's fantasy utility is mostly limited to steals, so his limited value will plummet even further if he's not consistently in the lineup.
Kiner-Falefa had value coming into the 2021 season with dual-eligibility and a high spot in the Texas lineup. Following a couple blockbuster pre-lockout signings, the Rangers opted to deal him to Minnesota along with a pitching prospect in exchange for Mitch Garver. The next day he was traded in a blockbuster deal to the Yankees. New York is likely to enter the season with Kiner-Falefa as the starting shortstop, largely due to his strong defense. With a career .316 OBP, he seems likely to hit at or near the bottom of the lineup, and he will need to hold his own on offense in order to keep the starting job all season. If can hold the job, Kiner-Falefa could be a source of double-digit steals with the nominal counting stats of a bottom-third of a lineup hitter.
Where did that come from? Kiner-Falefa finished 2019 as a backup catcher with bad offensive numbers, but came into 2020 as the starting third baseman, then was surprisingly good at the plate, even better in the field and earned a Gold Glove for his performance. He made some changes to his swing mechanics and closed some holes that were in his swing in 2019, allowing him to hit for a higher average to reach base more frequently. While on base, he stole a career high eight bases, although he was caught five times. The change in swing mechanics did not translate into any more over-the-fence power, but the new home ballpark was tough on everyone in 2020. Kiner-Falefa has lost his catcher eligibility, but he is now eligible at both positions on the left side of the infield, and that flexibility is the top selling point because another statistical level is not apparent as much as a potential step backward is.
A catcher-eligible player who plays elsewhere is usually highly sought after in fantasy baseball, but the player has to be able to hit for it to matter. Kiner-Falefa retains C-eligibility heading into 2020, but unfortunately, it seems we can safely conclude that Kiner-Falefa cannot hit. His K-rate shot up more than six percentage points, from 15.7% to 22.1%, while his wOBA dipped more than 30 points. He only barreled up two balls all year -- by Statcast's definition of a "barrel" -- and on account of that, Statcast says he overachieved to a significant extent with a .238 BA. Kiner-Falefa logged 22 starts at third base over the final two months of 2019, but he was pretty much unusable, even in deep two-catcher leagues. While the Rangers seem to like Kiner-Falefa's intangibles, he's a utility man at best and will likely see a downgrade in park factors in 2020 with the move to Globe Life Field.
Kiner-Falefa got the call to Texas as an injury replacement in mid-April and surprisingly stuck around for the remainder of the season. His approach survived the transition to the major leagues, as the 23-year-old took walks at close to an average clip while putting bat to ball with good consistency (15.7% strikeout rate). Unfortunately, he didn't drive the ball with much authority when he made contact -- 29.3% hard-hit rate, .096 ISO. He hit the ball into the ground a lot (51.2%) and that combined with only modest speed resulted in 14 GDPs in 396 plate appearances. After Elvis Andrus returned from injury, the Rangers chose to transition Kiner-Falefa to a catching role rather than send him back to the minors, which was surprising given his limited experience behind the plate in the minors. It spoke to how highly the team thinks of Kiner-Falefa. That said, he's not a starting-caliber player in real life, and is an unexciting second catcher in 15-team leagues.
Injuries have opened the door for Kiner-Falefa, a fourth-round pick out of Mid Pacific Institute High School in 2013. He is expected to play regularly at second base while Rougned Odor is out with a hamstring injury, but Kiner-Falefa has not displayed mixed-league-worthy skills in the minor leagues. The 23-year-old's batting eye is respectable -- he had a 7.2 percent walk rate and 12.6 percent strikeout rate in 570 plate appearances at the Double-A level in 2017 -- but there is a total absence of power with Kiner-Falefa. His career-high ISO on the farm is .101, a number buoyed by the favorable conditions in Frisco (the most hitter-friendly park in the Texas League). He had just a .368 SLG on the road that year and his ISO has not exceeded .064 at any other stop. Further, while Kiner-Falefa ran some last season, totaling 17 stolen bases, he hasn't been efficient as a base stealer in the minors (51-for-77) and he will likely be stuck at the bottom of the order when he's playing for Texas.
More Fantasy News
Lands one-year deal with Boston
SSBoston Red Sox
February 4, 2026
Kiner-Falefa signed a one-year, $6 million contract with the Red Sox on Wednesday, Jeff Passan of ESPN.com reports.
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Grabbing another start Friday
SSToronto Blue Jays
October 17, 2025
Kiner-Falefa will start at second base and bat eighth in Friday's ALCS Game 5 against the Mariners.
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Claimed by Toronto
SSToronto Blue Jays
August 31, 2025
The Blue Jays claimed Kiner-Falefa off waivers from the Pirates on Sunday, Jeff Passan of ESPN.com reports.
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Idle for series finale
SSPittsburgh Pirates
August 31, 2025
Kiner-Falefa is out of the lineup for Sunday's game against the Red Sox.
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Placed on outright waivers
SSPittsburgh Pirates
August 29, 2025
The Pirates placed Kiner-Falefa on outright waivers Friday, Noah Hiles of the Pittsburgh Post-Gazette reports.
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Latest Fantasy Rumors
Increasing versatility in camp
SSBoston Red Sox
February 16, 2026
Kiner-Falefa is seeing reps at first base and could be a backup at the position in the early stages of the 2026 season, according to Sean McAdam of MassLive.
Analysis
The Red Sox will have William Contreras as their everyday first baseman, and while Triston Casas and Romy Gonzalez are going to be his backups, both are dealing with knee and shoulder injuries, respectively. This had led to Kiner-Falefa seeing some reps at first, and it's not uncommon for him to move around the diamond. He's played second, third base and shortstop in his big-league career.
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