Aug 20, 2013; Oakland, CA, USA; Oakland Athletics relief pitcher Ryan Cook (48), catcher Derek Norris (36), and manager Bob Melvin (6) speak with home plate umpire Paul Schrieber (43) after a against the Seattle Mariners run during the eighth inning at O.co Coliseum. The Seattle Mariners defeated the Oakland Athletics 7-4. Mandatory Credit: Kelley L Cox-USA TODAY Sports