How do you respond when a golfer in the group in front of you makes a hole-in-one at a short par 3 hole?
You follow it up with an ace of your own if you're Greg Chalmers.
Chalmers became the first man with two holes-in-one on the PGA Tour in 2013 when he aced the par-3 No. 14 on Saturday at The Barclays just 10 minutes after K.J. Choi made a hole-in-one as well.
Pretty crazy stuff, though neither guy is in serious contention.