2025 Stats
W-L
2-1
ERA
4.50
WHIP
1.55
K
18
SV
0
Rest-of-Season Projections
2025 Fantasy Outlook
Olson carried over his strong finish from the 2023 season with an even better showing in 2024. The right-hander had two pitches with a whiff rate of over 40 percent in his slider and changeup and he also upped his ground ball rate from above average at 42.8 percent in 2023 to elite at 50.6 percent in 2024. Olson did miss more than two months of action with a shoulder injury and had his workload limited down the stretch after returning in September, but he was able to turn in two strong starts during the ALDS. The 30.1 percent strikeout rate Olson had between the Double- and Triple-A levels has not yet translated to the majors, but he can get by with a 23 percent strikeout rate at the big-league level, particularly since it's come with an improved 7.4 percent walk rate. A favorable home park and a good young team behind him only further accentuates Olson's appeal, provided the shoulder issue is behind him. Read Past Outlooks
Tosses five shutout innings in win
Olson (2-1) earned the win against the Royals on Thursday, allowing four hits and two walks while striking out five across five scoreless innings.
ANALYSIS
Olson allowed at least two baserunners in two of the five frames he pitched, but he managed to get out of those innings without yielding a run. The 25-year-old right-hander has won four straight games at Comerica Park dating back to the 2024 regular season, and through his first four starts in 2025 he's posted a 4.50 ERA, 1.55 WHIP and 18:10 K:BB across 20 innings. Olson's next start is slated for next week at home against the Padres.
Olson allowed at least two baserunners in two of the five frames he pitched, but he managed to get out of those innings without yielding a run. The 25-year-old right-hander has won four straight games at Comerica Park dating back to the 2024 regular season, and through his first four starts in 2025 he's posted a 4.50 ERA, 1.55 WHIP and 18:10 K:BB across 20 innings. Olson's next start is slated for next week at home against the Padres.
Pitching Stats
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2025
2024
2023
Minor League Game Log
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Pitching Appearances Breakdown
Average Pitch Count
91
Last 10 Games
91
Last 5 Games
91
How many pitches does Reese Olson generally throw?
1-10
11-20
21-30
31-40
41-50
51-60
61-70
71-80
81-90
91-100
101-110
111-120
121+
What part of the game does Reese Olson generally pitch?
1st
2nd
3rd
4th
5th
6th
7th
8th
9th
Extra
% Games Reaching Innings Threshold
% Games By Number of Innings Pitched
Left/Right Pitching Splits
Since 2023
-8%
BAA vs RHP
2025
-11%
BAA vs LHP
| BAA | K | BB | H | HR | ||||
|---|---|---|---|---|---|---|---|---|
| Since 2023vs Left | .240 | 121 | 50 | 102 | 12 | |||
| Since 2023vs Right | .222 | 101 | 26 | 102 | 10 | |||
| 2025vs Left | .256 | 12 | 3 | 10 | 1 | |||
| 2025vs Right | .289 | 6 | 7 | 11 | 0 | |||
| 2024vs Left | .253 | 59 | 24 | 56 | 5 | |||
| 2024vs Right | .220 | 42 | 9 | 44 | 2 | |||
| 2023vs Left | .218 | 50 | 23 | 36 | 6 | |||
| 2023vs Right | .213 | 53 | 10 | 47 | 8 | |||
| More Splits→ | View More Split Stats | |||||||
Home/Away Pitching Splits
Since 2023
-3%
ERA at Home
2025
-80%
ERA at Home
| ERA | WHIP | IP | K/9 | BB/9 | |||||
|---|---|---|---|---|---|---|---|---|---|
| Since 2023Home | 3.76 | 1.18 | 129.1 | 9.0 | 3.0 | ||||
| Since 2023Away | 3.88 | 1.20 | 106.2 | 7.8 | 2.8 | ||||
| 2025Home | 1.64 | 1.45 | 11.0 | 8.2 | 4.1 | ||||
| 2025Away | 8.00 | 1.67 | 9.0 | 8.0 | 5.0 | ||||
| 2024Home | 3.54 | 1.16 | 53.1 | 7.4 | 1.9 | ||||
| 2024Away | 3.51 | 1.20 | 59.0 | 8.7 | 3.4 | ||||
| 2023Home | 4.29 | 1.14 | 65.0 | 10.5 | 3.7 | ||||
| 2023Away | 3.49 | 1.09 | 38.2 | 6.3 | 1.4 | ||||
| More Splits→ | View More Split Stats | ||||||||
Stat Review
How does Reese Olson compare to other starting pitchers?
This section compares his stats with all starting pitcher seasons from the previous three seasons (minimum 120 innings)*. 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, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against 2019 data (min 120 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
* Exit Velocity, Barrels/BBE %, Balls Hit 95+ MPH %, and Spin Rate are benchmarked against 2019 data (min 120 IP). See here for more exit velocity/barrels stats plus an explanation of current limitations with that data set.
K/BB
1.80K/9
8.1BB/9
4.5HR/9
0.5Fastball
94.8 mphERA
4.50WHIP
1.55BABIP
.342GB/FB
1.39Left On Base
70.9%Exit Velocity
83.5 mphBarrels/BBE
1.3%Spin Rate
2366 rpmBalls Hit 95+ MPH
32.9%Swinging Strike
10.3%Prospect Rankings History
Advanced Pitching Stats
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Defensive Stats
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Stats Vs Today's Lineup
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Past Fantasy Outlooks
2024
2023
Olson spent the first two months with Triple-A Toledo, compiling an unimpressive 6.38 ERA and 1.77 WHIP in 10 starts. However, the Tigers needed a healthy arm and Olson had been pitching better in late May, so he was summoned to make his major league debut in early June. He stayed in The Show the rest of the season, starting in 18 of 21 appearances. Olson didn't miss bats at the elevated rate exhibited in the minors, but his control improved greatly. He throws five pitches, including a 95-mph four-seam fastball and a 95-mph sinker, but his best pitch is a slider he utilized 30.6 percent of the time. Still just 24-years-old, there is a good chance Olson can recapture some of the dominance exhibited in the minors, though only his slider is deemed above average according to Stuff+. Olson has carved out a role in the Tigers staff, but he's not assured of being in the Opening Day rotation. Even so, he's displayed enough to be a fantasy asset, with sneaky upside.
More Fantasy News
Fades in fifth inning
Olson allowed four runs on six hits and three walks while striking out three over 4.1 innings, taking a no-decision Friday versus the Twins.
ANALYSIS
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Collects win in quality start
Olson (1-1) picked up the win Saturday, allowing two runs on seven hits and three walks over six innings in a 7-2 victory over the White Sox. He struck out five.
ANALYSIS
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Mixed results in first start
Olson (0-1) took the loss against the Dodgers on Saturday, allowing four runs on four hits and two walks while striking out five batters over 4.2 innings.
ANALYSIS
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Concludes spring schedule
Olson allowed two runs on four hits across 5.1 innings in Sunday's Grapefruit League game against the Phillies. He walked two and struck out three.
ANALYSIS
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Looks sharp in spring start
Olson tossed three scoreless innings in Wednesday's Grapefruit League game against the Phillies. He allowed one hit and struck out four.
ANALYSIS
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Latest Fantasy Rumors
Service time manipulation possible?
The Tigers could prevent Olson from reaching Super Two status if he is optioned to Triple-A Toledo for the first few weeks of the season, Evan Petzold of the Detroit Free Press reports.
ANALYSIS
It could work against Olson in cracking the Opening Day rotation, as there are no service time considerations with Matt Manning or Casey Mize, Olson's two competitors for the final two rotation spots. Olson posted a 1.44 ERA last September and has followed it up with a solid showing this spring, but he nonetheless might find himself at Toledo to begin the season.
It could work against Olson in cracking the Opening Day rotation, as there are no service time considerations with Matt Manning or Casey Mize, Olson's two competitors for the final two rotation spots. Olson posted a 1.44 ERA last September and has followed it up with a solid showing this spring, but he nonetheless might find himself at Toledo to begin the season.