MILWAUKEE -- Alexi Casilla, Joe Mauer and Tsuyoshi Nishioka all went 0-for-4 and looked as bad as those numbers say in Friday's 4-3 loss to the Brewers.

In the seventh inning, Manager Ron Gardenhire and trainer Dave Pruemer went onto the field to check on Casilla.

"He was light-headed," Gardenhire said. "He said he felt dizzy running to first base then said he was OK."

Gardenhire said the Twins planned to pinch hit for Casilla if he got another at-bat.

"Supposedly he's OK now," Gardenhire said. "We'll check on him tomorrow and see what happens."

Gardenhire met with Nishioka after the game, and it's possible Nishioka will get a breather Saturday with the Twins facing righthanded curve ball specialist Yovani Gallardo.

A switch-hitter, Nishioka is batting 6-for-29 (.207) from the right side and 3-for-25 (.120) from the left side.

Mauer is 3-for-25 since returning from the DL.

"They have to work their way out of it," Gardenhire said. "Both of them [Mauer and Nishioka] -- same thing. When they were on their rehab, they were both hitting. It just hasn't translated over to here. So we've just gotta keep putting them out there and see what happens. Hopefully they'll get swinging."