Chicago Cubs manager Joe Maddon says this season is like learning to swim, with his team hoping to tread water until several key players return from the disabled list. "We're just trying to keep the floaties on," Maddon said before Sunday's game. Then came another injury and another defeat, leaving the defending World Series champions with that sinking feeling once again. The Cubs wasted a fine pitching performance by Mike Montgomery, stranding 11 runners and allowing three unearned runs to lose to the Miami Marlins, 4-2. Read more http://www.espn.com/mlb/recap?gameId=370625128