Brandon Williamson

25-Year-Old PitcherSP
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
$Signed a one-year contract with the Reds in March of 2023.
Serves up three long balls
PCincinnati Reds
June 8, 2023
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.
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Pitching Stats
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2023
2020
2023 MLB Game Log
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Scoring
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2020 MLB 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+
 
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 Brandon Williamson 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 2021
 
 
-11%
BAA vs RHP
2023
 
 
-11%
BAA vs RHP
2022
No Stats
2021
No Stats
BAA Batters K BB H 2B 3B HR
Since 2021vs Left .263 21 4 2 5 0 0 0
Since 2021vs Right .235 97 17 11 20 5 1 6
2023vs Left .263 21 4 2 5 0 0 0
2023vs Right .235 97 17 11 20 5 1 6
2022vs Left 0 0 0 0 0 0 0 0
2022vs Right 0 0 0 0 0 0 0 0
2021vs Left 0 0 0 0 0 0 0 0
2021vs Right 0 0 0 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
2022
No Stats
2021
No Stats
ERA WHIP IP W L SV K/9 BB/9 HR/9
Since 2021Home 5.94 1.50 16.2 0 0 0 6.5 4.3 2.7
Since 2021Away 4.50 1.30 10.0 0 0 0 8.1 4.5 0.9
2023Home 5.94 1.50 16.2 0 0 0 6.5 4.3 2.7
2023Away 4.50 1.30 10.0 0 0 0 8.1 4.5 0.9
2022Home 0 0 0 0 0 0 0 0 0
2022Away 0 0 0 0 0 0 0 0 0
2021Home 0 0 0 0 0 0 0 0 0
2021Away 0 0 0 0 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.
  • 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
1.62
 
K/9
7.1
 
BB/9
4.4
 
HR/9
2.0
 
Fastball
91.8 mph
 
ERA
5.40
 
WHIP
1.43
 
BABIP
.260
 
GB/FB
0.74
 
Left On Base
67.6%
 
Exit Velocity
85.0 mph
 
Barrels/BBE
7.5%
 
Spin Rate
2259 rpm
 
Balls 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
PCincinnati Reds
June 3, 2023
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
PCincinnati Reds
May 27, 2023
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.
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Serves up four runs in no-decision
PCincinnati Reds
May 23, 2023
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
PCincinnati Reds
May 19, 2023
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
PCincinnati Reds
May 16, 2023
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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