Mike Baumann

Michael Thomas Baumann (born September 10, 1995) is an American professional baseball pitcher for the Seattle Mariners of Major League Baseball (MLB). He has previously played in MLB for the Baltimore Orioles.

Amateur career
Baumann attended Mahtomedi High School in Mahtomedi, Minnesota, and played for the school's baseball and American football teams. The Minnesota Twins selected him in the 34th round of the 2014 MLB draft. He did not sign, instead enrolling at Jacksonville University to play college baseball for the Jacksonville Dolphins. In 2016, he played collegiate summer baseball with the Yarmouth–Dennis Red Sox of the Cape Cod Baseball League.

Baltimore Orioles
The Baltimore Orioles selected Baumann in the third round of the 2017 MLB draft. In 2018, Baumann began the season with the Delmarva Shorebirds of the Single-A South Atlantic League. He received a promotion in May to the Frederick Keys of the High-A Carolina League. He combined to go 7–6 with a 2.98 ERA and 142 strikeouts over 124 innings in 2019. On November 20, 2020, the Orioles added Baumann to their 40-man roster to protect him from the Rule 5 draft.

On September 7, 2021, Baumann made his major league debut with the Orioles against the Kansas City Royals at Oriole Park at Camden Yards. In his debut he pitched $3 2⁄3$ innings and allowed two hits and one walk. Baumann struck out one batter and retired 11 of the 14 batters he faced. He also earned his first Major League win. In his rookie campaign, Baumann recorded a 9.90 ERA in four games.

Baumann pitched in 14 contests for Baltimore in 2022, registering a 4.72 ERA with 23 strikeouts across $34 1⁄3$ innings of work. On March 16, 2023, it was announced that Baumann would shift to a short-relief role rather than being a starter. He made 60 appearances out of the bullpen for the Orioles, compiling a 10–1 record and 3.76 RRA with 61 strikeouts across $64 2⁄3$ innings pitched.

In 2024, Baumann made 17 relief appearances for Baltimore, logging a 3.44 ERA with 16 strikeouts across $18 1⁄3$ innings pitched. On May 18, 2024, Baumann was designated for assignment by the Orioles.

Seattle Mariners
On May 22, 2024, Baumann and Michael Pérez were traded to the Seattle Mariners in exchange for Blake Hunt. In 18 appearances for Seattle, he logged a 5.51 ERA with 16 strikeouts across $16 1⁄3$ innings pitched. Baumann was designated for assignment by the Mariners on July 19.

Personal life
His older brother, Nick, also played baseball and football at Mahtomedi and starred on the defensive line for the Concordia Cobbers. He married his fiancée Nicole in the offseason following 2023 season. The wedding took place in Florida, where he resides in the offseason.