Anthony Kay

Anthony Kay

31-Year-Old PitcherSP
Chicago White Sox
2026 Fantasy Outlook
Kay owns a career 5.59 ERA and 1.61 WHIP in 85.1 MLB innings in a swingman role, yet the White Sox signed him to a two-year, $12 million deal in December and appear set to give him a spot near the front of their rotation. That comes after the lefty's two-year stint in Japan, although it was really only 2025 where Kay had much success, with his ERA dropping from 3.42 to 1.74 and his WHIP falling from 1.34 to 0.98. His 21.5 K% last season was actually lower than his career MLB mark of 22.4%, but his 6.8 BB% was miles better than his 12.0 BB% from his time in the majors. He also had a groundball rate north of 50% after sitting around league average in that category when we last saw him stateside. He's going to need the control improvements and groundball ability to carry over if he's going to have success in the big leagues this time around given his relative lack of whiffs. It's an innings-eater profile for a team that won't win many games, giving Kay low upside in most fantasy leagues. Read Past Outlooks
RANKS
Rest of Season
From Preseason
#424
ADP
Signed a two-year, $12 million contract with the White Sox in December of 2025. Contract includes $10 million mutual option for 2028.
Improves in no-decision
PChicago White Sox
May 3, 2026
Kay allowed three runs (two earned) on seven hits and a walk while striking out five over five innings in a no-decision versus the Padres on Sunday.
Analysis
Kay was a little better this time out. He kept the Padres off the scoreboard for three innings, but he gave up solo home runs to Miguel Andujar and Manny Machado in the fourth inning, making this the second time in three starts he's allowed multiple homers. Kay is now at a 5.70 ERA, 1.67 WHIP and 20:15 K:BB over 30 innings through seven appearances (five starts) this season. He is tentatively projected to make his next start at home versus the Mariners.
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Pitching Stats
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2026 MLB Game Log
2026
2023
2022
2021
2020
2019
2026 MLB Game Log
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2023 MLB Game Log
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2022 MLB Game Log
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2021 MLB Game Log
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2020 MLB Game Log
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Pitching Appearances Breakdown
Average Pitch Count
87
Last 10 Games
87
Last 5 Games
88
How many pitches does Anthony Kay 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 Anthony Kay 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 2024
 
 
-78%
BAA vs LHP
2026
 
 
-78%
BAA vs LHP
2025
No Stats
2024
No Stats
BAA Batters K BB H 2B 3B HR
Since 2024vs Left .077 30 10 1 2 0 0 0
Since 2024vs Right .347 113 10 14 33 7 1 6
2026vs Left .077 30 10 1 2 0 0 0
2026vs Right .347 113 10 14 33 7 1 6
2025vs Left 0 0 0 0 0 0 0 0
2025vs Right 0 0 0 0 0 0 0 0
2024vs Left 0 0 0 0 0 0 0 0
2024vs Right 0 0 0 0 0 0 0 0
More Splits View More Split Stats
Home/Away Pitching Splits
Since 2024
 
 
-1%
ERA on Road
2026
 
 
-1%
ERA on Road
2025
No Stats
2024
No Stats
ERA WHIP IP W L SV K/9 BB/9 HR/9
Since 2024Home 5.73 1.73 11.0 0 0 0 2.5 4.1 0.8
Since 2024Away 5.68 1.63 19.0 1 1 0 8.1 4.7 2.4
2026Home 5.73 1.73 11.0 0 0 0 2.5 4.1 0.8
2026Away 5.68 1.63 19.0 1 1 0 8.1 4.7 2.4
2025Home 0 0 0 0 0 0 0 0 0
2025Away 0 0 0 0 0 0 0 0 0
2024Home 0 0 0 0 0 0 0 0 0
2024Away 0 0 0 0 0 0 0 0 0
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Stat Review
How does Anthony Kay 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
1.33
 
K/9
6.0
 
BB/9
4.5
 
HR/9
1.8
 
Fastball
95.6 mph
 
ERA
5.70
 
WHIP
1.67
 
BABIP
.310
 
GB/FB
1.25
 
Left On Base
72.1%
 
Exit Velocity
84.1 mph
 
Barrels/BBE
7.9%
 
Spin Rate
2243 rpm
 
Balls Hit 95+ MPH
29.1%
 
Swinging Strike
8.2%
 
Prospect Rankings History
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Defensive Stats
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Stats Vs Today's Lineup
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Recent RotoWire Articles Featuring Anthony Kay See More
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Past Fantasy Outlooks
2021
2020
A starter throughout his minor-league career, Kay broke summer camp on the Blue Jays' 30-man roster. He was expected to play a swingman role but ended up pitching exclusively out of the bullpen, making 13 appearances in relief before being optioned to the team's alternate training site in mid-September. Kay was never comfortable as a reliever, walking 14 while allowing three homers in 21 innings, though he did fan 22 batters. Toronto has opened its window to win and taken measures to strengthen the rotation, so Kay's future may be in a similar bullpen role, which doesn't lend itself to fantasy. To get back in the rotation mix, he needs to work on command and control, but with average stuff, his ceiling is capped as an innings eater. Kay is probably better off focusing on a couple offerings to maximize his effectiveness as a reliever.
A busy season for Kay saw him sent from the Mets to the Blue Jays in the Marcus Stroman trade in late July and later make his big-league debut in early September. He went on to allow nine runs with a 13:5 K:BB in 14 innings at the highest level. Prior to that, he'd posted a 2.96 ERA in 26 starts at the two highest levels of the minors, combining a good 24.1 K% with a fairly poor 10.0 BB%. Kay may have been traded for a big name, but he was seen as the safe big-league ready arm in the deal, while Simeon Woods Richardson was the high-upside piece the Blue Jays got back. The 6-foot lefty, who is entering his age-25 season, has average velocity and no standout secondaries. Still, the rebuilding Blue Jays figure to have plenty of starts available this season. Kay is unlikely to excel but could be a competent deep-league option if he holds down a rotation spot for most of the year.
More Fantasy News
Struggles again Monday
PChicago White Sox
April 27, 2026
Kay allowed four runs on seven hits and two walks while striking out two batters over four innings in a no-decision against the Angels on Monday.
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Hit hard in start
PChicago White Sox
April 22, 2026
Kay (1-1) allowed eight runs on eight hits and three walks while striking out one over 3.2 innings to take the loss versus the Diamondbacks on Wednesday.
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Labors in long relief
PChicago White Sox
April 16, 2026
Kay took a no-decision Thursday against the Rays, allowing one run on four hits and one walk in 2.2 innings. He struck out one.
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In line for bulk relief Thursday
PChicago White Sox
April 16, 2026
Kay is expected to serve as a bulk reliever behind opening pitcher Jordan Leasure in Thursday's home game against the Rays.
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Notches first MLB win since 2021
PChicago White Sox
April 9, 2026
Kay (1-0) earned the victory over Kansas City on Thursday, allowing three hits and two walks while striking out six batters over 5.2 scoreless innings.
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Latest Fantasy Rumors
Rotation opportunity on tap?
PToronto Blue Jays
July 19, 2020
Kay is a candidate to slide into the Blue Jays' starting rotation as a result of Chase Anderson's placement on the injured list due to an oblique injury.
Analysis
Kay saw major-league action last season, making three appearances, including two starts, and posting a 1-0 record, 5.79 ERA and 1.43 WHIP over 14 innings. The young southpaw had an uneven minor-league career, but his 2.50 ERA over 36 innings at Triple-A Buffalo prior to last year's promotion supports the notion he could hold down the fort for a handful of outings before Anderson returns. In addition to Kay, manager Charlie Montoyo could opt to turn to Ryan Borucki, who's produced mixed results over his first pair of big-league stints the last two seasons.
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