Jarrett Parker #6 of the San Francisco Giants reacts after swinging at a pitch in the dirt for the third strike as catcher Chris Iannetta #8 of the Arizona Diamondbacks prepairs to tag him out to end the six inning at AT&amp;T Park on September 16, 2017 in San Francisco, California. (Photo by Thearon W. Henderson/Getty Images) Photo: Thearon W. Henderson, Getty Images