History of Seranthony Domínguez in Timeline

By Popular Timelines Editorial Team · Updated: November 7, 2025

Seranthony Domínguez is a Dominican professional baseball pitcher, currently a free agent. He previously played in MLB for the Philadelphia Phillies, Baltimore Orioles, and Toronto Blue Jays. Domínguez signed with the Phillies in 2011 as an international free agent and made his major league debut in 2018. He is known for his pitching abilities.

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Full Timeline Career & Achievements

1908: Baseball History Reference

In baseball history, dating back to 1908, Domínguez became the only major league reliever to record at least two outs and allow no runs, hits, or walks in his first five major-league appearances.

1955: Phillies Record Tied

In 2018, Domínguez tied Jack Meyer's 1955 record for the most saves by a Phillies rookie reliever with 16 saves.

November 25, 1994: Seranthony Domínguez's Birth

On November 25, 1994, Seranthony Ambioris Domínguez Taveras was born. He is a Dominican professional baseball pitcher.

Others born on this day/year

October 2011: Signed with Phillies

In October 2011, Domínguez signed with the Philadelphia Phillies as an international free agent for $25,000.

2011: Signed with the Phillies

In 2011, Domínguez signed with the Philadelphia Phillies as an international free agent.

2012: Professional Debut

In 2012, Domínguez made his professional debut with the Dominican Summer League Phillies, where he spent the entire season.

2013: Returned to DSL

In 2013, Domínguez returned to the Dominican Summer League (DSL), achieving a 4–6 record with a 2.96 ERA and 58 strikeouts.

2014: Gulf Coast League Phillies

In 2014, Domínguez played for the rookie-level Gulf Coast League Phillies, achieving a 2–2 record with a 3.12 ERA.

2015: GCL Phillies Season

In 2015, Domínguez played with the GCL Phillies, posting a 1-1 record with a 2.35 ERA.

2016: Low-A and Single-A seasons

In 2016, Domínguez pitched for both the Low-A Williamsport Crosscutters and Single-A Lakewood BlueClaws, achieving a combined 6-3 record with a 2.34 ERA.

2017: High-A Clearwater Threshers

In 2017, Domínguez pitched for the High-A Clearwater Threshers, earning a 2017 Florida State League Mid-Season All-Star selection. He had a 4-4 record with a 3.61 ERA. After the season, the Phillies added him to their 40-man roster and he was converted into a relief pitcher.

May 7, 2018: MLB Debut with Phillies

On May 7, 2018, Domínguez was promoted to the Phillies and made his MLB debut the same night, becoming the only major league reliever since 1908 to record at least two outs and allow no runs, hits, or walks in his first five major-league appearances.

2018: MLB Debut

In 2018, Domínguez made his Major League Baseball (MLB) debut.

2018: Double-A and Triple-A seasons

In 2018, Domínguez started with the Double-A Reading Fightin Phils before being promoted to the Triple-A Lehigh Valley IronPigs in late April. Between the two teams, he gave up only eight hits and two walks.

2019: Injury List

In 2019, Domínguez had a 3–0 record with a 4.74 ERA in 24+2⁄3 innings. His season ended early when he was placed on the injured list due to a damaged ulnar collateral ligament in his right elbow.

July 30, 2020: Tommy John Surgery

On July 30, 2020, Domínguez underwent Tommy John surgery to repair the damaged ulnar collateral ligament in his right elbow.

February 17, 2021: Placed on 60-day Injured List

On February 17, 2021, Domínguez was placed on the 60-day injured list as he continued to recover from Tommy John surgery.

2022: 2022 Season Performance

In the 2022 regular season, Domínguez achieved a 6–5 record with nine saves and a 3.00 ERA. He also pitched in 9 postseason games, allowing 2 earned runs and striking out 18 hitters.

February 16, 2023: Contract Extension

On February 16, 2023, Domínguez signed a two-year, $7.25 million contract extension with the Phillies.

2023: 2023 Season Performance

In 2023, Domínguez had a 3.78 ERA and struck out 48 batters. He made 6 appearances in the 2023 postseason, allowing no runs. He missed time in June and July due to an oblique strain.

July 26, 2024: Traded to the Baltimore Orioles

On July 26, 2024, Domínguez was traded to the Baltimore Orioles alongside Cristian Pache in exchange for Austin Hays. He subsequently made 25 appearances for Baltimore.

2024: 2024 Season Performance

In 2024, Domínguez made 38 appearances for Philadelphia, compiling a 4.75 ERA. He was the second longest-tenured Phillie prior to being traded, with only Aaron Nola having been a Phillie for longer.

July 29, 2025: Traded to Toronto Blue Jays

On July 29, 2025, Domínguez was traded to the Toronto Blue Jays in exchange for pitching prospect Juaron Watts-Brown during a doubleheader. He pitched a scoreless inning against his former team.

2025: New Pitches

In 2025, Domínguez began throwing a sweeper, and added a splitter and curveball to his arsenal, greatly improving his performance against left-handed hitters.