Glenn Edward Brummer (born November 23, 1954, in Olney, Illinois) is an American former Major League Baseball catcher who played for the St. Louis Cardinals and the Texas Rangers. Brummer was born in Olney, Illinois. His father, Bob Brummer, briefly played minor league baseball. Glenn Brummer attended Effingham High School in Effingham, Illinois. After graduation, he was working on his family's farm when he heard that the Lake Land College baseball team needed a catcher. "It was either enroll in school or milk cows all my life," Brummer said. Signed by the Cardinals as an amateur free agent in 1974, he made his Major League Baseball debut with St. Louis on May 25, 1981.