He is a veteran Major League Baseball pitcher. He has appeared in over 540 games and pitched close to 860 innings and is in his 13th season of MLB, with 2022 being his sixth season with San Diego, making him the second-longest tenured Padre. He spent seven years with the Washington Nationals, who had selected him in the 2005 MLB Amateur Draft out of the University of Dayton, where he made 60 pitching appearances after also having pitched for his high school baseball team as well.