San Francisco Giants starting pitcher Tim Lincecum (55), left, is checked by catcher Buster Posey after losing his footing while delivering a pitch against the Colorado Rockies in the fourth inning of a baseball game in Denver, Saturday, May 18, 2013. Lincecum was called for a balk on the misstep. (AP Photo/David Zalubowski)
San Francisco Giants' Marco Scutaro breaks from the batter's box after singling against the Colorado Rockies in the first inning of a baseball game in Denver, Saturday, May 18, 2013. (AP Photo/David Zalubowski)
Colorado Rockies starting pitcher Tyler Chatwood works against the San Francisco Giants in the first inning of a baseball game in Denver, Saturday, May 18, 2013. (AP Photo/David Zalubowski)
San Francisco Giants starting pitcher Tim Lincecum, foreground, reacts as Colorado Rockies' Wilin Rosario, background, rounds the bases after hitting a two-run home run in the fifth inning of a baseball game in Denver, Saturday, May 18, 2013. (AP Photo/David Zalubowski)
Colorado Rockies' Wilin Rosario, left, follows the flight of his two-run home run with San Francisco Giants catcher Buster Posey in the fifth inning of a baseball game in Denver, Saturday, May 18, 2013. (AP Photo/David Zalubowski)
LAMONT PETERSON (purple and silver trunks) and LUCAS MATTHYSSE battle in a welterweight bout at Boardwalk Hall in Atlantic City, New Jersey.
LAMONT PETERSON (purple and silver trunks) and LUCAS MATTHYSSE battle in a welterweight bout at Boardwalk Hall in Atlantic City, New Jersey.
LAMONT PETERSON (purple and silver trunks) and LUCAS MATTHYSSE battle in a welterweight bout at Boardwalk Hall in Atlantic City, New Jersey.
LAMONT PETERSON (purple and silver trunks) and LUCAS MATTHYSSE battle in a welterweight bout at Boardwalk Hall in Atlantic City, New Jersey.
San Francisco Giants starting pitcher Tim Lincecum (55), left, is checked by catcher Buster Posey after losing his footing while delivering a pitch against the Colorado Rockies in the fourth inning of a baseball game in Denver, Saturday, May 18, 2013. Lincecum was called for a balk on the misstep. (AP Photo/David Zalubowski)
San Francisco Giants starting pitcher Tim Lincecum (55), left, is checked by catcher Buster Posey after losing his footing while delivering a pitch against the Colorado Rockies in the fourth inning of a baseball game in Denver, Saturday, May 18, 2013. Lincecum was called for a balk on the misstep. (AP Photo/David Zalubowski)
San Francisco Giants starting pitcher Tim Lincecum (55), left, is checked by catcher Buster Posey after losing his footing while delivering a pitch against the Colorado Rockies in the fourth inning of a baseball game in Denver, Saturday, May 18, 2013. Lincecum was called for a balk on the misstep. (AP Photo/David Zalubowski)
See photo in original gallery.