Yu Darvish fanned 10 in six innings but also allowed five runs, including two homers, as the Rangers fell to the A's, 6-2, on Tuesday at the Ballpark.

Trying to gain ground on the first-place A's, the Rangers will send Justin Grimm to the hill on Wednesday against Tommy Milone at the Ballpark in Arlington.

Jeff Baker is still unable to throw a baseball or grip a bat, so the Rangers placed him on the disabled list on Tuesday with a sprained right thumb.

Lance Berkman was back in the lineup on Tuesday after getting two days off. But he was batting fifth in the order after batting exclusively in the third spot.

Left-hander Martin Perez threw six scoreless innings for Triple-A Round Rock in a 12-2 victory over Oklahoma City on Monday night and is 4-0 with a 1.13 ERA in his last four starts.

Pitcher Alexi Ogando, on the disabled list with inflammation in his right shoulder, is still not 100 percent.