Bryan Edmund "Moose" Haas (born April 22, 1956) is a former professional baseball player who pitched in Major League Baseball (MLB) from 1976 to 1987. He appeared in the 1982 World Series as a member of the Milwaukee Brewers.
The 6-ft., 180-lb. Haas publicly stated that his father gave him that nickname upon birth: "My father gave it to me when I was born. I wasn't that big, only seven and a quarter pounds, but I guess I looked to my father like I was going to be big. It didn't work out."[4]