4:59pm: Via Twitter, Lee adds that the A's designated infielder Gregorio Petit for assignment as well. The 25-year-old hit .244/.292/.336 in Triple A last year, playing second base, shortstop, and third base.
12:39pm: The A's designated lefty Dana Eveland for assignment, tweets MLB.com's Jane Lee. Newly-acquired Willy Taveras was designated too, tweets SI's Jon Heyman. Joe Stiglich of the Oakland Tribune adds that the A's deal for Gabe Gross is official, and they've claimed versatile minor leaguer Steve Tolleson off waivers from the Twins. Let's break down the A's busy morning…
- Eveland, 26, is headed elsewhere unless he clears waivers. In 2009 he was terrible in the Majors and lousy at Triple A as well. He joined the A's in December of '07 as part of the huge Dan Haren swap with the D'Backs. Eveland did give the A's 29 starts of 4.34 ball in '08, despite a 1.53 K/BB ratio.
- Taveras and Aaron Miles were just passing through, acquired temporarily to facilitate deals for Adam Rosales and Jake Fox.
- Tolleson, 26, hit .266/.340/.380 between Double A and Triple A in the Twins organization in '09. He played both middle infield positions, left field, and a little bit at the outfield corners. Before the season, Baseball America suggested Tolleson's best possible outcome would be Ryan Freel's career. The loss should clear a roster spot for Jim Thome, notes MLB.com's Kelly Thesier.