10:35 AM - Miguel Romero (OAK) Athletics outrighted Romero to Triple-A Las Vegas on Saturday.

12:47 PM - Miguel Romero (OAK) was designated for assignment by the Athletics on Thursday, Martin Gallegos of MLB.com reports.

7:54 PM - Miguel Romero (OAK) was optioned to Triple-A Las Vegas on Sunday.

5:17 PM - Miguel Romero (OAK) was optioned to Triple-A Las Vegas on Tuesday.

5:22 PM - Miguel Romero (OAK) was recalled from Triple-A Las Vegas on Wednesday.

12:05 PM - Miguel Romero (OAK) Athletics optioned Romero to Triple-A Las Vegas on Monday, Martin Gallegos of MLB.com reports.