Butler, 30, appeared in 72 regular season games for the American Hockey League's (AHL) Chicago Wolves in 2016-17, recording 26 points (five goals, 21 assists) and 46 penalty minutes. The 6-foot-1, 196-pound defenseman also tallied six points (one goal, five assists) and four penalty minutes in nine postseason games.
A native of St. Louis, Butler has dressed in 388 career NHL regular season games, amassing 84 points (13 goals, 71 assists) and 185 penalty minutes.