
Brandon Williamson
25-Year-Old
2023 Stats
W-L
0-0
ERA
5.40
WHIP
1.43
K
21
SV
0
Rest-of-Season Projections
2023 Fantasy Outlook
Williamson was one of the key pieces acquired by the Reds from the Mariners in the Jesse Winker/Eugenio Suarez trade. The former second-round pick was coming off a dominant 2021 season in the minors which concluded at the Double-A level, setting himself up to be part of the Reds' 2022 rotation at some point. It didn't happen, though, as the left-hander showed regression across the board both in terms of numbers and stuff. His lack of control was particularly alarming, as he went from an 8.1 percent walk rate in 2021 to a 13.9 percent walk rate in 2022. Williamson was added to the 40-man roster over the offseason, and there should be starts available to him for the Reds if he can bounce back. Fantasy managers should take more of a wait-and-see approach, though. Read Past Outlooks
RANKSFrom Preseason
#601
ADP

Serves up three long balls
Williamson allowed six runs on eight hits and two walks while striking out three batters over 5.2 innings in a no-decision against the Dodgers on Wednesday.
ANALYSIS
Williamson looked to be in for an early hook after giving up six runs over the first three innings, but he managed to retire 10 of the final 11 batters he faced and completed 5.2 frames. The southpaw was tagged for six extra-base hits, three of which left the park. Williamson had given up three long balls across his first four outings combined, but he had struggled on that front at the Triple-A level prior to being called up in mid-May, surrendering seven homers over 34 frames. Though Williamson has looked good at times during his rookie campaign, his overall 5.40 ERA, 1.43 WHIP and 21:13 K:BB make him an unexciting fantasy option in redraft leagues.
Williamson looked to be in for an early hook after giving up six runs over the first three innings, but he managed to retire 10 of the final 11 batters he faced and completed 5.2 frames. The southpaw was tagged for six extra-base hits, three of which left the park. Williamson had given up three long balls across his first four outings combined, but he had struggled on that front at the Triple-A level prior to being called up in mid-May, surrendering seven homers over 34 frames. Though Williamson has looked good at times during his rookie campaign, his overall 5.40 ERA, 1.43 WHIP and 21:13 K:BB make him an unexciting fantasy option in redraft leagues.
Pitching Stats
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2023
2020
2023 MLB Game Log
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Minor League Game Log

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Pitching Appearances Breakdown
Average Pitch Count
85
Last 10 Games
85
Last 5 Games
85
How many pitches does Brandon Williamson 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 Brandon Williamson 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 2021
-11%
BAA vs RHP
2023
-11%
BAA vs RHP
BAA | K | BB | H | HR | ||||
---|---|---|---|---|---|---|---|---|
Since 2021vs Left | .263 | 4 | 2 | 5 | 0 | |||
Since 2021vs Right | .235 | 17 | 11 | 20 | 6 | |||
2023vs Left | .263 | 4 | 2 | 5 | 0 | |||
2023vs Right | .235 | 17 | 11 | 20 | 6 | |||
2022vs Left | 0 | 0 | 0 | 0 | 0 | |||
2022vs Right | 0 | 0 | 0 | 0 | 0 | |||
2021vs Left | 0 | 0 | 0 | 0 | 0 | |||
2021vs Right | 0 | 0 | 0 | 0 | 0 | |||
More Splits→ | View More Split Stats |
Home/Away Pitching Splits
Since 2021
-24%
ERA on Road
2023
-24%
ERA on Road
ERA | WHIP | IP | K/9 | BB/9 | |||||
---|---|---|---|---|---|---|---|---|---|
Since 2021Home | 5.94 | 1.50 | 16.2 | 6.5 | 4.3 | ||||
Since 2021Away | 4.50 | 1.30 | 10.0 | 8.1 | 4.5 | ||||
2023Home | 5.94 | 1.50 | 16.2 | 6.5 | 4.3 | ||||
2023Away | 4.50 | 1.30 | 10.0 | 8.1 | 4.5 | ||||
2022Home | 0 | 0 | 0 | 0 | 0 | ||||
2022Away | 0 | 0 | 0 | 0 | 0 | ||||
2021Home | 0 | 0 | 0 | 0 | 0 | ||||
2021Away | 0 | 0 | 0 | 0 | 0 | ||||
More Splits→ | View More Split Stats |
Stat Review
How does Brandon Williamson 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
1.62K/9
7.1BB/9
4.4HR/9
2.0Fastball
91.8 mphERA
5.40WHIP
1.43BABIP
.260GB/FB
0.74Left On Base
67.6%Exit Velocity
85.0 mphBarrels/BBE
7.5%Spin Rate
2259 rpmBalls Hit 95+ MPH
31.5%Swinging Strike
10.9%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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2022 Fantasy Outlook
While Williamson's fastball may not seem elite from a velocity standpoint (93 mph average, touches 97), it is a perfect pitch in every other sense. He is a 6-foot-6 lefty, so the pitch plays up just via extension and handedness, but it's the induced vertical break that makes the pitch such a monster. His fastball got whiffs at a 37% clip and was thrown for strikes at a 69% clip, rates that are up there with the best pitchers in the minors. Williamson also boasts one of the best curveballs in the minors, although that pitch is thrown in the mid-70s, so it lacks the velocity of the breaking balls that typically play as 70-grade pitches in the majors. His changeup and slider are average offerings. Williamson logged a 37.4 K% and an 8.1 BB% in 98.1 innings across High-A and Double-A. He has passed Emerson Hancock in the pecking order, and is right there with George Kirby and Matt Brash as one of Seattle's future rotation anchors. Williamson is not on the 40-man roster, but he could still make a handful of starts in the majors later this summer.
More Fantasy News

Posts first quality start of career
Williamson did not factor into the decision Friday, allowing three runs on five hits and two walks over 6.2 innings in a 5-4 loss against the Brewers. He struck out six.
ANALYSIS
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Struggles again
Williamson allowed four runs on six hits and three walks while striking out three over 4.1 innings in a no-decision versus the Cubs on Saturday.
ANALYSIS
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Serves up four runs in no-decision
Williamson did not factor into the decision Monday, allowing four runs on four hits and four walks over 4.1 innings during a 6-5 win over St. Louis in 10 innings. He struck out three.
ANALYSIS
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To make next start Monday
Williamson will make his second major-league start Monday at home against the Cardinals, Charlie Goldsmith of The Cincinnati Enquirer reports.
ANALYSIS
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Strong in MLB debut
Williamson did not factor into the decision Tuesday, allowing one run on two hits and two walks over 5.2 innings against Colorado. He struck out six.
ANALYSIS
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