Maroon, who turns 37 next month, announced his decision before he and the Blackhawks played in his hometown of St. Louis.
He is one of only four players in NHL history to win the Stanley Cup three years in a row with two different teams.
DETROIT — Young women, among those in a record-breaking crowd, held up signs with messages for the Professional Women’s Hockey League. You can save this article by registering for free here.