Marlins' Johnson (shoulder) may miss rest of '11
There is said to be no serious damage and no expectation of surgery, however.
Johnson, 27, was 3-1 with a 1.64 ERA in nine starts this season for the Marlins.
In his career, Johnson, a two-time All-Star, is 48-23 with a 2.98 ERA.
Roberto Luongo, Panthers get best of Cory Schneider, Devils
Ducks score six goals in the 2nd period to beat Avs in wild game