He is likely to miss at least six games for the Rangers.
Alain Vigneault said last night that the injury was not believed to be serious.
St. Louis has no history of knee injuries and since 2002-03 has played in 928 out of a possible 936 games. Dating back to 2000-01, St. Louis has played in 1,059 out of a possible 1,100 games.
NEW YORK, March 16, 2015 – New York Rangers President and General Manager Glen Sather announced today that forward Martin St. Louis will be sidelined 10-14 days with a lower-body injury suffered last night vs. Florida.
St. Louis has registered 20 goals and 27 assists for 47 points, along with a plus-eight rating in 68 games this season. The Rangers alternate captain ranks second on the team in goals and ranks third on the team in points in 2014-15.