Bass is in the running for the Cubs' final bullpen spot, Jesse Rogers of ESPN.com reports.
Bass is in camp with the Cubs on a minor-league contract. He's pitched just 5.2 major-league innings over the past two years and owns a career 4.60 ERA and a 15.4 percent strikeout rate. Eddie Butler appears to be the favorite for the final bullpen job, but Bass could be up at some point during the regular season.