Reese Olson

Reese Olson

25-Year-Old PitcherSP
Detroit Tigers
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
RANKS
Rest of Season From Preseason
#255
ADP
$Signed a one-year contract with the Tigers in March of 2024.
Cruises to fourth win
PDetroit Tigers
May 5, 2025
Olson (4-2) got the win over the Angels on Sunday, tossing 5.2 scoreless innings while allowing three hits and three walks. He struck out eight.
ANALYSIS
Olson posted his third scoreless start this season of at least five innings. Sunday was also his third straight start with at least seven strikeouts, as his swing-and-miss stuff has taken a noticeable jump from last season. Over his last four outings, Olson has a 1.14 ERA, 0.93 WHIP and 27:9 K:BB in 23.2 innings. He lines up for a home matchup against the Rangers in his next start.
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Pitching Stats
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2025
2024
2023
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2024 MLB Game Log
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2023 MLB Game Log
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Pitching Appearances Breakdown
Average Pitch Count
90
Last 10 Games
90
Last 5 Games
89
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+
 
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+
 
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
 
 
 
1st
 
 
 
2nd
 
 
 
3rd
 
 
 
4th
 
 
 
5th
 
 
 
6th
 
 
 
7th
 
 
 
8th
 
 
 
9th
 
Extra
 
 
 
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
 
 
-6%
BAA vs RHP
2025
 
 
-21%
BAA vs LHP
2024
 
 
-13%
BAA vs RHP
2023
 
 
-2%
BAA vs RHP
BAA Batters K BB H 2B 3B HR
Since 2023vs Left .232 504 127 51 102 16 3 12
Since 2023vs Right .219 543 117 32 111 24 2 10
2025vs Left .185 61 18 4 10 1 0 1
2025vs Right .233 100 22 13 20 5 0 0
2024vs Left .253 253 59 24 56 9 2 5
2024vs Right .220 212 42 9 44 12 0 2
2023vs Left .218 190 50 23 36 6 1 6
2023vs Right .213 231 53 10 47 7 2 8
More Splits View More Split Stats
Home/Away Pitching Splits
Since 2023
 
 
-5%
ERA at Home
2025
 
 
-80%
ERA at Home
2024
 
 
-1%
ERA on Road
2023
 
 
-19%
ERA on Road
ERA WHIP IP W L SV K/9 BB/9 HR/9
Since 2023Home 3.56 1.13 136.2 9 9 0 9.0 2.9 0.9
Since 2023Away 3.74 1.19 118.0 4 8 0 8.2 3.0 0.7
2025Home 0.98 1.04 18.1 3 0 0 8.3 2.9 0.0
2025Away 4.87 1.38 20.1 1 2 0 10.2 4.9 0.4
2024Home 3.54 1.16 53.1 3 4 0 7.4 1.9 0.3
2024Away 3.51 1.20 59.0 1 4 0 8.7 3.4 0.8
2023Home 4.29 1.14 65.0 3 5 0 10.5 3.7 1.5
2023Away 3.49 1.09 38.2 2 2 0 6.3 1.4 0.7
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.
  • K/BB
    Strikeout to walk ratio.
  • K/9
    Average strikeouts per nine innings.
  • BB/9
    Average walks per nine innings.
  • HR/9
    Average home runs allowed per nine innings.
  • Fastball
    Average fastball velocity.
  • ERA
    Earned run average. The average earned runs allowed per nine innings.
  • WHIP
    Walks plus hits per inning pitched.
  • BABIP
    Batting average on balls in play. Measures how many balls in play against a pitcher go for hits.
  • GB/FB
    Groundball to flyball ratio. The higher the number, the more likely a pitcher is to induce groundballs.
  • Left On Base
    The percentage of base runners that a pitcher strands on base over the course of a season.
  • Exit Velocity
    The speed of the baseball as it comes off the bat, immediately after a batter makes contact.
  • Barrels/BBE
    The percentage of batted ball events resulting in 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.
  • Spin Rate
    Spin Rate is the rate of spin on a baseball after it is released. It is measured in revolutions per minute (rpm).
  • Balls Hit 95+ MPH
    The percentage of batted balls hit that met or exceeded the 95 MPH threshold.
  • Swinging Strike
    The percentage of pitches that result in a swing and a miss.
K/BB
2.35
 
K/9
9.3
 
BB/9
4.0
 
HR/9
0.2
 
Fastball
94.8 mph
 
ERA
3.03
 
WHIP
1.22
 
BABIP
.296
 
GB/FB
1.92
 
Left On Base
74.6%
 
Exit Velocity
85.4 mph
 
Barrels/BBE
4.1%
 
Spin Rate
2307 rpm
 
Balls Hit 95+ MPH
32.9%
 
Swinging Strike
14.3%
 
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.
If we sort Double-A pitchers with 60-plus innings by K-BB%, Olson ranks fifth, behind the likes of Brandon Pfaadt and Eury Perez and directly ahead of Gavin Stone and Kyle Harrison. Scouts seem split on the quality of his stuff and whether he has enough command to start, so Olson is never ranked near those guys on prospect lists, but it's an interesting profile, given the ease of entry into Detroit's rotation. He is on the 40-man roster and turns 24 in July, so Olson could make his big-league debut this summer, perhaps as a swingman or long reliever.
More Fantasy News
Mixed results in second loss
PDetroit Tigers
April 29, 2025
Olson (3-2) took the loss Tuesday against the Astros after allowing three runs on four hits and three walks in 5.1 innings. He struck out seven.
ANALYSIS
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Stellar versus San Diego
PDetroit Tigers
April 23, 2025
Olson (3-1) earned the win Wednesday over the Padres, allowing two hits and a walk over 7.1 scoreless innings. He struck out seven.
ANALYSIS
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Tosses five shutout innings in win
PDetroit Tigers
April 17, 2025
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
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Fades in fifth inning
PDetroit Tigers
April 11, 2025
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
PDetroit Tigers
April 5, 2025
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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Latest Fantasy Rumors
Service time manipulation possible?
PDetroit Tigers
March 20, 2024
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.
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