Richards, 36, had 298 goals and 634 assists in 1,126 regular-season games, and 105 points in 146 Stanley Cup Playoff games with the Tampa Bay Lightning, Dallas Stars, New York Rangers, Chicago Blackhawks and Detroit Red Wings. He won the Conn Smythe Trophy as the most valuable player of the postseason in 2004 when he helped the Lightning win the Stanley Cup, scoring 26 points (including seven game-winning goals) in 23 games. Richards won the Stanley Cup again with Chicago in 2015.
He had 10 goals and 18 assists in 68 games with the Red Wings last season.