Injuries can ruin a fantasy season. 

--DH Frank Thomas was placed on the 15-day disabled list with significant inflammation in his right quadriceps, an injury that is particularly affecting his quadriceps tendon, Thomas said. 

MEDICAL WATCH: RHP Joey Devine (forearm soreness) was out May 27-29. 

When Eric Chavez volunteered to come back to be a designated hitter way back in the spring, the A's told the six-time Gold Glove third baseman that they wanted him to be ready to play third base when he returned. 

Oakland's Justin Duchscherer flirted with history in his last start, and with the way his team has been hitting recently, he might need a similar performance to get another win. 

Jesse Litsch held down Oakland's offense just as he did in a shutout of Kansas City in his previous start. 

--DH Frank Thomas said he believes he will go on the disabled list if the significant inflammation in his right quadriceps doesn't subside within a few days. 

MEDICAL WATCH: OF Ryan Sweeney (sore left foot) fouled a ball of his foot May 28 and had to leave the game for X-rays. 

When the A's signed Frank Thomas last month after the Blue Jays dumped him, the only real question was how Oakland would manage to juggle three designated hitters. 

With superior pitching staffs keeping their teams afloat while their offenses rank in baseball's bottom half, Oakland and Toronto combining for just seven runs in their two matchups this week comes as no surprise. 

Frank Thomas' tender right knee is so inflamed he figures he might be headed for the disabled list to let it calm down and fully heal. 

Alex Rios came up big for the Blue Jays with his bat and his glove. 

Frank Thomas' tender right knee is so inflamed he figures he might be headed for the disabled list to let it calm down and fully heal. 

The Toronto Blue Jays didn't want Frank Thomas on the field by the third week of the season. 

On the day he turned 40, Frank Thomas doubled against his old team and the Big Hurt hurt his leg and tender knee in the process.