Pennington had a 3-6 Major League record with a 7.02 ERA across five Major League seasons with the Baltimore Orioles, Cincinnati Reds, Boston Red Sox, California Angels, and Tampa Bay Devil Rays.
Over his five seasons in Major League Baseball, Pennington compiled a 3-6 record with a 7.02 ERA while playing for the Baltimore Orioles, Cincinnati Reds, Boston Red Sox, California Angels, and Tampa Bay Devil Rays.