Matthew Aurel Brash is a Canadian professional baseball pitcher for the Seattle Mariners of Major League Baseball.

He attended Bayridge Secondary School in Kingston, Ontario. He also attended Niagara University in Lewiston, New York to play college baseball for the Purple Eagles.

Brash made his professional debut in 2019 with the Arizona League Padres and Fort Wayne TinCaps, posting a combined 1.69 ERA over 5+1⁄3 innings.

On September 17, 2020, Brash was traded to the Seattle Mariners as the player to be named later in a previous trade for Taylor Williams.

Brash split the 2021 season between the Everett AquaSox and the Arkansas Travelers, going a combined 6–4 with a 2.31 ERA and 142 strikeouts over 97+1⁄3 innings.

While pitching for the Travelers on August 2, he threw six innings of a combined no-hitter along with Nate Fisher and Dayeison Arias.

On September 28, 2021, Seattle selected Brash’s contract to the 40-man roster and promoted him to the major leagues for the first time, but he did not make an appearance.

On April 2, 2022, the Mariners announced that Brash would be the team’s fifth starter in the rotation. He made his MLB debut on April 12.

Who did the Mariners trade for Matt Brash?

The Mariners sent righty reliever Taylor Williams to the Padres for Matt Brash.

How did Mariners acquire Matt Brash?

The Mariners acquired Brash at the 2020 MLB trade deadline from San Diego in exchange for reliever Taylor Williams, who had been serving as Seattle’s closer in the shortened season.