The Athletics transferred Hernaiz (ankle) to the 60-day injured list Wednesday.

Hernaiz has been diagnosed with a severe left ankle sprain and will visit with a foot specialist Wednesday, Martin Gallegos of MLB.com reports.

The Athletics placed Hernaiz on the 10-day injured list Wednesday with a left ankle injury.

Hernaiz was pinch-run for and limped off the field after stepping awkwardly on first base Tuesday against Texas, Martin Gallegos of MLB.com reports.

Hernaiz will start at shortstop and bat eighth in Wednesday's game against the Pirates.

Hernaiz went 2-for-2 with a walk, a stolen base and a run in a 3-1 win over the Yankees on Thursday.

The Athletics recalled Hernaiz from Triple-A Las Vegas on Thursday, Martin Gallegos of MLB.com reports.

Hernaiz is a likely candidate for a promotion from Triple-A Las Vegas if Zack Gelof's oblique injury forces him to go on the injured list, MLB.com reports.

Hernaiz, optioned to Triple-A Las Vegas earlier in the day, went 1-for-4 with a two-run home run in a win over Tacoma on Thursday.

Hernaiz will start at third base and bat sixth Wednesday against the Cardinals.