2:48 PM - Mason Barnett (Ath) Athletics optioned Barnett to Triple-A Las Vegas on Monday.

4:09 PM - Mason Barnett (Ath) is slated to start Friday's game against the Angels in Anaheim.

7:14 PM - Mason Barnett (Ath) manager Mark Kotsay said Friday that Barnett will start against the Rangers on Saturday, Jessica Kleinschmidt of Baseball America reports.

5:12 PM - Mason Barnett (Ath) Athletics selected Barnett's contract from Triple-A Las Vegas on Tuesday.

4:17 PM - Mason Barnett (Oak) Royals traded Barnett, Will Klein and Jared Dickey to Oakland in exchange for Lucas Erceg, Mark Feinsand of MLB.com reports.