Paul Sewald is an American professional baseball pitcher for the Seattle Mariners of Major League Baseball (MLB).

Paul Sewald is the son of Mark Sewald and Judi. Sewald’s father, Mark, is a former college baseball pitcher who was drafted by the Boston Red Sox out of high school in 1979.

Sewald’s parents are both accountants. He graduated from the University of San Diego with a bachelor’s degree in accounting.

Sewald’s younger brother, Johnny, an outfielder, was selected in the 14th round of the 2015 MLB draft out of Arizona State University by the Houston Astros.

Paul Sewald was drafted by the Mets in the tenth round of the 2012 amateur draft. He made his MLB debut on April 8, 2017, against the Miami Marlins at Citi Field, giving up two runs in a third of an inning.

On January 7, 2021, Sewald signed a minor league contract with the Seattle Mariners organization