From Kirkland Lake, Ontario, Plager played 29 games in parts of three seasons with the Rangers before coming over to the Blues. He had 20 goals, 126 assists and 802 penalty minutes in 644 regular-season NHL games and added two goals, 17 assists and 195 penalty minutes in 74 playoff games. The Blues retired his No. 5 jersey in 2017, and it joined brother Barclay’s No. 8 in the rafters.