
Some gems on reported White Sox signee pitcher Seranthony Dominguez:
*TEAMS:,The White Sox will be the right-hander’s fourth team (Phillies, Blue Jays, Orioles)
*STATS: In seven seasons, Dominguez’s opponents slashline is .208/.300/.338
*PLAYOFFS! Dominguez is 4-0 with one save and a 1.86 in 29 postseason games.
Some notes on his postseason career …
—His last game was a scoreless 10th inning in the Blue Jays’ 5-4 loss in 11 to the Dodgers in Game 7 of the 2026 World Series in Toronto.
Domínguez will join Clay Carroll (Reds 1975, Sox 1976) as the only pitchers to go directly from a World Series Game 7 to the Sox.
Including Domínguez and Carroll, 19 players have pitched in Game 7 of a World Series and then joined the Sox.
Here’s the complete list …
—-Only Lefty Gomez (6), Hilton Smith (6), Jack Coombs (5) and Herb Pennock (5) have more postseason wins without a loss than Dominguez’s four
—-For pitchers with 29 appearances, Dominguez owns the sixth-lowest postseason ERA behind Mariano Rivera (0.70), Jeremy Affeldt (0.86), Andrew Miller (0.93) and Wade Davis (1.80)
—-Dominguez joins Tug McGraw (three times in 1980) as the only Phillies with a two-inning save in the postseason (Game 3 2022 NLCS)
—-Dominguez began his playoff career with 18 strikeouts and no walks which are the most strikeouts before issuing a walk by any pitcher to start a postseason career
*QUICK CHANGE:,The native of Esperanza, Dominican Republic was traded by the Orioles to the Blue Jays between games of the July 29, 2025 day-night doubleheader between the teams in Baltimore. After making the walk from one clubhouse to the other following Game 1, Dominguez tossed a shutout inning for Toronto in the nightcap.
*SAVE NUMBERS: Dominguez coverted 11 of his 13 save chances for the 2025 Orioles. He was 2-of-5 for the Jays, making him 40-for-60 (67 percent) for his career. With the Phillies, he was 25-for-33 on saves between 2018 and 2023.
*STRAND STATS: Last year, Dominguez stranded 30 of the 34 baserunners he inherited (88 percent) … For his career, Dominguez has stranded 67 percent (88-of-119) of the baserunners he inherited.
*HITS AND Ks: Dominguez averaged at least 10 strikeouts per nine innings in five of his seven big league seasons … Dominguez has allowed fewer hits than innings pitched in each of his seven Major League campaigns
*WHAT A RELIEF! All of Dominguez’s 322 big league appearances have been in relief. His last win as a starter came for the Phillies’ Clearwater (A) affiliate on Aug. 22, 2017. In that Florida State League clash vs. Ft. Myers, Dominguez fired six shutout innings while giving up two hits and no walks with six strikeouts. After facing just two over the minimum, Dominguez gave way to … Tyler Gilbert, who is on track to be his teammate in 2026. By the way, Dominguez retired Brent Rooker, a two-time All-Star and Silver Slugger winner for the A’s, twice (strikeout, fly out) in this one. … Dominguez last three starts came as a one-inning opener at the Phillies’ Class-A Jersey Shore affiliate in 2021
*STINGY: Dominguez is the only reliever in history to not allow a walk or a hit in the first six appearances of a big league career (2018 Phillies)
*ELITE CO.: Dominguez joins Jose Contreras, Bill Campbell and Billy Wagner as the only relievers to log 13 strikeouts against no walks in their first 10 appearances with the Phillies (2018)
*ROOKIE RECORD-SETTER: He set Phillies’ rookie record with 16 saves in 2018
*GOOD EYE: Dominguez drew a walk as a batter before issuing a walk as a pitcher … He walked in his first career plate appearance in the top of the ninth for the Phillies on June 6, 2018 at Wrigley Field. In the bottom of the frame, Dominguez issued his first walk to Kyle Schwarber, who was the 49th big league batter he faced
*WHIP WIZARD: His 0.65 WHIP in 2018 was the lowest ever by any Phillie at the All-Star break (min. 30 innings)
*RIGHT STUFF: Righties hit .179 against Dominguez while that number reads .248 for lefties
*NO REPEATS: Dominguez has never faced the same batter twice in a game. The last batter Dominguez faced twice in any game was Ft. Myers’ Brandon Lopez for Clearwater on Aug. 22, 2017
*FIRST MAN UP: Dominguez is limiting the first batter he faces to a .194/.286/.289 slashline … Last year that slashline was .169/.269/.237
*VS. THE SOX: Dominguez is unscored upon in three outings against the White Sox … His only appearance at Rate Field came for the Phillies on April 18, 2023 when he fanned Eloy Jimenez and Jake Burger in a perfect eighth to earn a hold in a 7-4 win in the first of a doubleheader.
