Quick Hits: DeVoss, Adams, White Sox

The A's announced that Brett Anderson underwent Tommy John ligament replacement surgery on his left elbow. Dr. James Andrews performed the operation on Anderson, who will miss the remainder of the season. Here are this afternoon's links…

• The Cubs signed third round outfielder Zeke DeVoss for a $500K bonus, according to Jim Callis of Baseball America. The bonus is roughly $160K more than MLB recommended.
• The Padres have one prospect on Keith Law's recently-published list, Casey Kelly. They'll ask for another elite prospect in exchange for Mike Adams, according to Jon Heyman of SI.com (on Twitter).
• Rookie Michael Pineda and third-year pitcher Trevor Cahill are among the MLB players with the most trade value, according to Dave Cameron of FanGraphs, who lists his #31-35 top trade chips in baseball. Kevin Youkilis and the recently-extended Jaime Garcia check in in the #26-30 range.
• White Sox manager Ozzie Guillen told MLB.com's Scott Merkin that his team may not need trades to re-enter the playoff picture. "If we play to our potential, I guarantee we're going to kick some people's butt," Guillen said. "But we're not playing to our potential now."