Tampa Bay closer Troy Percival was placed on the 15-day disabled list Thursday with a strained left hamstring. 

Injuries can ruin a fantasy season. 

MEDICAL WATCH: RHP Troy Percival (left hamstring strain) went on the 15-day disabled list May 29. 

One of the best comeback stories in baseball this season hit a bump Thursday when Troy Percival was placed on the 15-day disabled list. 

--RHP Edwin Jackson felt more comfortable than in his previous start, in which he posted a victory. 

Tropicana Field has rarely been a venue where the visiting team carries a collective chip on its shoulder. 

While the Tampa Bay Rays have been the hottest team in baseball, the Chicago White Sox are on a roll of their own. 

Tampa Bay closer Troy Percival was placed on the 15-day disabled list with a left hamstring strain, and the Rays filled the roster opening by activating infielder Willy Aybar on Thursday. 

Chase Utley's scorching April is yet another sign that this season is going to be far from normal. 

Tampa Bay closer Troy Percival was placed on the 15-day disabled list with a left hamstring strain, and the Rays filled the roster opening by activating infielder Willy Aybar on Thursday. 

MEDICAL WATCH: RHP Troy Percival (sore left hamstring) left the May 28 game. 

The Rays won Wednesday's game but suffered a potentially jarring loss when closer Troy Percival had to leave due to tightness in his left hamstring. 

--RHP Dan Wheeler took over for injured closer Troy Percival in the ninth inning and earned his first save since June 8, 2007. 

The reigning AL Cy Young winner and Indians staff ace . 

The Tampa Bay Rays are a hit on the field, if not in the seats.