PHOENIX, AZ - APRIL 02: Madison Bumgarner #40 of the San Francisco Giants high fives Brandon Belt #9 after Bumgarner hit a solo home run against the Arizona Diamondbacks during the fifth inning of the MLB opening day game at Chase Field on April 2, 2017 in Phoenix, Arizona. (Photo by Christian Petersen/Getty Images)

PHOENIX, AZ - APRIL 02:  Madison Bumgarner #40 of the San Francisco Giants high fives Brandon Belt #9 after Bumgarner hit a solo home run against the Arizona Diamondbacks during the fifth inning of the MLB opening day game at Chase Field on April 2, 2017 in Phoenix, Arizona.  (Photo by Christian Petersen/Getty Images)