Nolan Arenado #28 of the Colorado Rockies hits a walk off single that scored two runs during the ninth inning against the San Francisco Giants at Coors Field on May 20, 2014. (Photo by Justin Edmonds/Getty Images)
San Francisco Giants v Colorado Rockies
San Francisco Giants v Colorado Rockies
San Francisco Giants v Colorado Rockies
Nolan Arenado #28 of the Colorado Rockies (second from left) gets a hug from Troy Tulowitzki #2 (left) after his single in the ninth inning scored the winning run against the San Francisco Giants at Coors Field on May 20, 2014. (Photo by Justin Edmonds/Getty Images)
San Francisco Giants v Colorado Rockies
San Francisco Giants v Colorado Rockies
Troy Tulowitzki
Troy Tulowitzki (Photo by Justin Edmonds/Getty Images)
San Francisco Giants v Colorado Rockies
San Francisco Giants v Colorado Rockies
San Francisco Giants v Colorado Rockies
Troy Tulowitzki
Shortstop Troy Tulowitzki #2 of the Colorado Rockies (Photo by Justin Edmonds/Getty Images)
San Francisco Giants v Colorado Rockies
San Francisco Giants v Colorado Rockies
San Francisco Giants v Colorado Rockies
San Francisco Giants v Colorado Rockies
Troy Tulowitzki
Shortstop Troy Tulowitzki #2 of the Colorado Rockies is unable to make a play on an RBI infield base hit by Hunter Pence #8 of the San Francisco Giants during the fifth inning at Coors Field on May 20, 2014 in Denver, Colorado. (Photo by Justin Edmonds/Getty Images)