Pittsburgh Pirates' Josh Harrison, right, is congratulated by Neil Walker (18) after Harrison scored against the San Francisco Giants in the third inning of a baseball game Tuesday, June 2, 2015, in San Francisco. Harrison scored on a single by Andrew McCutchen.
Pittsburgh Pirates' Josh Harrison, right, is congratulated by Neil Walker (18) after Harrison scored against the San Francisco Giants in the third inning of a baseball game Tuesday, June 2, 2015, in San Francisco. Harrison scored on a single by Andrew McCutchen. Ben Margot AP
Pittsburgh Pirates' Josh Harrison, right, is congratulated by Neil Walker (18) after Harrison scored against the San Francisco Giants in the third inning of a baseball game Tuesday, June 2, 2015, in San Francisco. Harrison scored on a single by Andrew McCutchen. Ben Margot AP