Colby Thomas

24-Year-Old OutfielderOF

Sacramento Athletics

2025 Stats

AVG

.211

RBI

Rest-of-Season Projections

AVG

RBI

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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. Read Past Outlooks

RANKS

Rest of Season

From Preseason

#417

ADP

League Majors

Bats R

Throws R

40 Man Yes

Height 6'1"

Weight 187

DOB 1/26/2001

Drafted 3rd Rd 2022

Goes yard in romp

OFSacramento Athletics

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.

Analysis
Thomas' homer stretched the Athletics' lead to 7-0 in just the second inning. The reserve outfielder has struggled to see steady playing time, though he hasn't helped his cause much by going just 3-for-22 over his previous nine games before Saturday's big performance. On the year, he has a .235/.287/.459 slash line with five homers, 17 RBI, 15 runs scored and two stolen bases over 95 plate appearances. Thomas will likely continue to see most of his playing time versus left-handed pitchers.

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Batting Stats

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2025 MLB Game Log

2025

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Scoring

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Batting Order Slot Breakdown

vs Right-Handed Pitchers

vs RHP

vs Left-Handed Pitchers

vs LHP

Left/Right Batting Splits

Since 2023

+109%

OPS vs LHP

2025

+109%

OPS vs LHP

2024

No Stats

2023

No Stats

	OPS	PA	R	HR	RBI	SB	AVG	OBP	SLG
Since 2023vs Left	.911	53	12	5	15	2	.239	.302	.609
Since 2023vs Right	.436	53	3	0	3	0	.184	.212	.224
2025vs Left	.911	53	12	5	15	2	.239	.302	.609
2025vs Right	.436	53	3	0	3	0	.184	.212	.224
2024vs Left	0	0	0	0	0	0	0	0	0
2024vs Right	0	0	0	0	0	0	0	0	0
2023vs Left	0	0	0	0	0	0	0	0	0
2023vs Right	0	0	0	0	0	0	0	0	0
More Splits→	View More Split Stats
Minor League Splits→	View Minor League Split Stats

Home/Away Batting Splits

Since 2023

+23%

OPS at Home

2025

+23%

OPS at Home

2024

No Stats

2023

No Stats

	OPS	PA	R	HR	RBI	SB	AVG	OBP	SLG
Since 2023Home	.748	45	6	3	8	1	.225	.273	.475
Since 2023Away	.610	61	9	2	10	1	.200	.246	.364
2025Home	.748	45	6	3	8	1	.225	.273	.475
2025Away	.610	61	9	2	10	1	.200	.246	.364
2024Home	0	0	0	0	0	0	0	0	0
2024Away	0	0	0	0	0	0	0	0	0
2023Home	0	0	0	0	0	0	0	0	0
2023Away	0	0	0	0	0	0	0	0	0
More Splits→	View More Split Stats

Stat Review

How does Colby Thomas 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.