PHOENIX, AZ - JUNE 28: Wily Mo Pena #16 of the Arizona Diamondbacks hits a walk off home run against the Cleveland Indians at Chase Field on June 28, 2011 in Phoenix, Arizona. Arizona won 6-4. (Photo by Norm Hall/Getty Images)
PHOENIX, AZ - JUNE 28: Wily Mo Pena #16 of the Arizona Diamondbacks hits a walk off home run against the Cleveland Indians at Chase Field on June 28, 2011 in Phoenix, Arizona. Arizona won 6-4. (Photo by Norm Hall/Getty Images)