Carlos Mateo

21-Year-Old PitcherP

Kansas City Royals Rookie

60-Day IL

Injury Undisclosed

Est. Return 3/1/2026

2025 Stats

W-L

0-0

ERA

0.00

WHIP

0.00

Rest-of-Season Projections

W-L

ERA

WHIP

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2025 Fantasy Outlook

There was no outlook written for Carlos Mateo in 2025. Check out the latest news below for more on his current fantasy value.

League Rookie

Bats R

Throws R

40 Man No

Height 6'1"

Weight 164

DOB 12/16/2003

Lands with Royals

PKansas City Royals R

December 6, 2023

The Royals acquired Mateo from the Astros on Wednesday in exchange for Dylan Coleman, Anne Rogers of MLB.com reports.

Analysis
Mateo, who turns 20 later this month, allowed five runs with a 12:4 K:BB over 8.2 innings in rookie ball in 2023. He's a lottery ticket reliever for Kansas City.