Greggory William Olson is an American former professional baseball player, coach, scout and television sports commentator. He played in Major League Baseball (MLB) as a right-handed pitcher from 1988 through 2001, most prominently as a member of the Baltimore Orioles where he established himself as one of the premier relief pitchers in the American League (AL). Olson was named the AL Rookie of the Year in 1989, his first full season in the major leagues and, the following season was named to his only American League All-Star team. He set an Orioles team record of 41 consecutive scoreless innings and, he holds the team record for career saves.