Astros placed RHP Brandon Lyon on the 15-day disabled list with a partially torn rotator cuff.
Lyon will avoid surgery, but the rehab for a torn rotator cuff can take quite a while and often involves setbacks. Mark Melancon is expected to see save opportunities in his absence.
Lyon had four blown saves and a 7.15 ERA so he was going to be demoted from closer anyway. Melancon was part of the Lance Berkman trade and sports a 1.72 ERA. I will be keeping my eye on him in fantasy leagues.