Colby Thomas

Colby Thomas

25-Year-Old OutfielderOF
Sacramento Athletics AAA
2026 Fantasy Outlook
Thomas has put up some gaudy minor league statisticas over the past three seasons, but that has not yet translated to much major league success. Thomas hit 31 homers with a .277 average between Double-A and Triple-A in 2024 and hit .291/.366/.529 with 18 homers in Las Vegas around some back-and-forth callups call-ups Sacramento. Thomas hit .225/.267/.417 with the Athletics with far too many strikeouts, as he struck out 49 times in 120 at bats. He has show the ability to make hard contact and has the athleticsm to man all three spots in the outfield, but he is best used at a corner spot where his arm strength is a deterrent to opponents attempting to take the extra base. If Thomas cannot make better contact at the big league level, he is going to be limited to a reserve outfield role and a short-sided one at that. All six of his home runs came against lefties while he had just one walk and 24 strikeouts against righties in 59 at bats. Read Past Outlooks
RANKS
Rest of Season
From Preseason
#400
ADP
Signed a one-year contract with the Athletics in March of 2026.
Misses out on Opening Day roster
OFSacramento Athletics  AAA
March 22, 2026
The Athletics optioned Thomas to Triple-A Las Vegas on Sunday.
Analysis
With Lawrence Butler (knees) making his Cactus League debut this past week to clear up any concern about his readiness for Opening Day, the Athletics didn't have regular playing time in the outfield available for Thomas to begin the season. Rather than keeping Thomas around as a platoon bat, the Athletics will let the 25-year-old continue his development at Las Vegas, where he'll be able to play on an everyday basis. Thomas should rank near the top of the list for a call-up if the Athletics have an opening in the outfield or at designated hitter at any point.
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2025 MLB Game Log
2025
2025 MLB Game Log
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Left/Right Batting Splits
Since 2024
 
 
+93%
OPS vs LHP
2026
No Stats
2025
 
 
+93%
OPS vs LHP
2024
No Stats
OPS PA R HR RBI SB AVG OBP SLG
Since 2024vs Left .895 69 15 6 16 2 .246 .304 .590
Since 2024vs Right .463 63 5 0 3 0 .203 .226 .237
2026vs Left 0 0 0 0 0 0 0 0 0
2026vs Right 0 0 0 0 0 0 0 0 0
2025vs Left .895 69 15 6 16 2 .246 .304 .590
2025vs Right .463 63 5 0 3 0 .203 .226 .237
2024vs Left 0 0 0 0 0 0 0 0 0
2024vs Right 0 0 0 0 0 0 0 0 0
Home/Away Batting Splits
Since 2024
 
 
+23%
OPS at Home
2026
No Stats
2025
 
 
+23%
OPS at Home
2024
No Stats
OPS PA R HR RBI SB AVG OBP SLG
Since 2024Home .756 65 11 4 9 1 .237 .281 .475
Since 2024Away .614 67 9 2 10 1 .213 .254 .361
2026Home 0 0 0 0 0 0 0 0 0
2026Away 0 0 0 0 0 0 0 0 0
2025Home .756 65 11 4 9 1 .237 .281 .475
2025Away .614 67 9 2 10 1 .213 .254 .361
2024Home 0 0 0 0 0 0 0 0 0
2024Away 0 0 0 0 0 0 0 0 0
Minor League Left/Right Batting Splits (AAA)
Since 2024
 
 
+11%
OPS vs RHP
2026
 
 
+26%
OPS vs LHP
2025
 
 
+21%
OPS vs LHP
2024
 
 
+68%
OPS vs RHP
OPS PA R HR RBI SB AVG OBP SLG
Since 2024vs Left .844 232 13 42 .261 .332 .512
Since 2024vs Right .941 520 27 92 .296 .371 .570
2026vs Left 1.196 22 3 8 .263 8.000 .789
2026vs Right .948 33 2 7 .345 12.061 .586
2025vs Left .935 105 6 21 .327 38.000 .551
2025vs Right .775 278 12 53 .277 91.040 .519
2024vs Left .594 105 4 13 .189 30.010 .411
2024vs Right .996 209 13 32 .312 69.038 .630
Prospect Rankings History
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Recent RotoWire Articles Featuring Colby Thomas See More
Recent RotoWire Articles Featuring Colby Thomas See More
2025 Fantasy Outlook
Thomas isn't a perfect prospect, but he's big-league ready and has a chance to hit 20-plus homers with double-digit steals if he gets enough playing time as a rookie. He tallied 31 homers and 15 steals in 132 games split between Double-A and Triple-A. While his slash lines were similar and his ISO was almost identical at the two levels, Thomas' strikeout rate jumped from 18 percent at Double-A to 30.3 percent at Triple-A. His walk rate also jumped slightly from 6.5 percent to 7.3 percent, and the balls and strikes challenge system at Triple-A may have factored into both metrics going up. Given that Thomas was 23, what he did at Triple-A is more instructive for 2025 than what he did at Double-A, so don't expect him to hit north of .250. He's a quality defensive outfielder, capable of playing all three spots, and he bats right-handed, so Thomas could conceivably gain everyday playing time early this season.
More Fantasy News
Drives second spring homer
OFSacramento Athletics  AAA
March 16, 2026
Thomas started in right field and went 2-for-4 with a solo home run and an additional run scored in Sunday's Cactus League loss to the Guardians.
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Ready to play outfield
OFSacramento Athletics  AAA
March 12, 2026
Thomas (elbow) is starting in left field and batting fifth in Thursday's Cactus League game against the Rangers.
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Managing elbow issue
OFSacramento Athletics  AAA
Elbow
March 1, 2026
Thomas is dealing with inflammation in his right elbow and will start up a throwing program Monday, Martin Gallegos of MLB.com reports.
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Goes yard in romp
OFSacramento Athletics  AAA
September 6, 2025
Thomas went 2-for-5 with a three-run home run, a walk and four total runs scored in Saturday's 17-4 win over the Angels.
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Swats fourth homer
OFSacramento Athletics  AAA
August 25, 2025
Thomas went 1-for-3 with a solo home run in Monday's 8-3 win over the Tigers.
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