• University of California football coach Sonny Dykes thew out the ceremonial first pitch before Monday's game at O.co Coliseum. The former letterman on the Texas Tech baseball team met with A's manager Bob Melvin -- himself a former baseball player at Cal -- prior to the game.
"It sounds like he's just a true sports fan and being where he is now trying to see a little bit more of the community and the different teams here," Melvin said. "And once our season's over, I'd love to do the same, go out there and watch a football game or a basketball game or two."
• Beginning Thursday, the A's will use a walk-through metal detection system for fans entering O.co Coliseum.
The system will continue through any potential 2013 postseason games and for all future regular-season games. It also shares similarities with airport security. Fans are recommended to allow ample time for the new security procedure and to expect their bags to be searched and to empty their pockets of keys, cell phones and other items before walking through a metal detector.
Gates will open at 5:35 p.m. PT Thursday, 4:30 p.m. Friday, and 11:05 a.m. on both Saturday and Sunday.
• Dan and Tiffany Otero became proud parents of daughter Kinsley Lynn Otero Monday at 2:54 a.m. PT. She weighed 7 pounds, 4 ounces and was 21 inches long.
Jeff Kirshman is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.