Career Timeline of Chris Flexen: Major Achievements and Milestones

By Popular Timelines Editorial Team · Updated: July 6, 2025

How Chris Flexen built a successful career. Explore key moments that defined the journey.

Christopher John Flexen is an American professional baseball pitcher currently playing for the Chicago Cubs in MLB. He has also played for the New York Mets, Seattle Mariners, Colorado Rockies, and Chicago White Sox during his MLB career. Notably, he spent time playing in the KBO League for the Doosan Bears. Flexen's career spans multiple teams in both MLB and the KBO, marking him as a versatile player with experience in different baseball environments.

Sections (2)

Full Timeline Career & Achievements

2012: Played for Kingsport Mets

In 2012, Flexen played for the Kingsport Mets, posting a 1–3 record with a 5.63 ERA in seven games.

2012: Drafted by New York Mets

In 2012, Flexen was drafted in the 14th round of the Major League Baseball draft by the New York Mets and received a $375,000 signing bonus, forgoing his commitment to Arizona State Sun Devils.

2013: Returned to Kingsport Mets

In 2013, Flexen returned to Kingsport and achieved an 8–1 record with a 2.09 ERA in 11 starts.

2014: Played for Savannah Sand Gnats and Underwent Tommy John Surgery

In 2014, Flexen played for the Savannah Sand Gnats, with a 3–5 record and a 4.83 ERA in 13 starts, and underwent Tommy John surgery.

2015: Played for Savannah, Brooklyn Cyclones, and GCL Mets

In 2015, Flexen played for Savannah, the Brooklyn Cyclones, and the GCL Mets, posting a combined 2.42 ERA in 12 games.

2016: Pitched for St. Lucie Mets

In 2016, Flexen pitched for the St. Lucie Mets where he was 10–9 with a 3.56 ERA in 25 starts, and was added to the Mets' 40-man roster after the season.

July 27, 2017: MLB Debut

On July 27, 2017, Flexen made his MLB debut for the New York Mets against the San Diego Padres, giving up 4 runs on 5 hits. He also gave up a home run to Manuel Margot, the first batter he faced.

August 8, 2017: First Major League Win

On August 8, 2017, Flexen recorded his first major league win against the Texas Rangers at Citi Field, pitching 5+1⁄3 innings and allowing three earned runs.

2017: Called up to Binghamton Rumble Ponies

In 2017, Flexen started with St. Lucie and was called up to the Binghamton Rumble Ponies on May 31 after posting a 2.13 ERA.

2018: Struggled with Mets and Underwent Knee Surgery

In 2018, Flexen was promoted to the Mets but struggled with a 12.79 ERA and underwent knee surgery in early August, ending his season.

December 6, 2019: Designated for Assignment

On December 6, 2019, Flexen was designated for assignment by the Mets.

December 9, 2020: Signed with Seattle Mariners

On December 9, 2020, Flexen signed a two-year, $4.75 million contract with the Seattle Mariners.

2020: Signed with Doosan Bears

In 2020, Flexen signed a one-year contract with the KBO's Doosan Bears and pitched to a 3.01 ERA.

2021: Improved Performance with Seattle Mariners

In 2021, Flexen had a significantly improved season with the Seattle Mariners, finishing in the top 10 in the American League in ERA, wins, ERA+, Fielding Independent Pitching, and games started. He made his first start of the year on April 3 against the San Francisco Giants pitching five scoreless innings.