 With the Prince Albert Raiders, he was selected to the league's "All-Scholastic Team" in 1984 and won a Memorial Cup in 1985.Drafted 245th overall by the Buffalo Sabres in the 1985 NHL Entry Draft, Baumgartner made his NHL debut with the Los Angeles Kings during the 1987–88 season.A defenseman until he reached the NHL, he would go on to play for the New York Islanders, Toronto Maple Leafs, Mighty Ducks of Anaheim and the Boston Bruins until his retirement in 2000.