In the ninth inning of Monday night's Boston Red Sox/Minnesota Twins game, Boston closer Joel Hanrahan was trying to collect a save and with one out in the 9th, he faced Twins infielder Brian Dozier.
During the 7th pitch of the at-bat, Hanrahan lost control of a fastball that ended up ripping a hole in one of the backstop advertisements:
R.I.P. Ace Tickets sign....
(Courtesy of Bush League Chronicles)