Rockies pitcher Jorge De La Rosa will test his tight left groin in a bullpen session on Tuesday. The results will determine De La Rosa's role in Colorado's first-round playoff series with Philadelphia. "He was in here at our ballpark earlier today and he was treated. He feels better today," manager Jim Tracy told The Associated Press on Monday. "The bullpen session tomorrow will tell us whether he has a chance to be a part of the divisional series." De La Rosa was 16-9 this season.