Rory McIlroy's swing interrupted by squirrel at Travelers Championship

Professional golfers have long been used to distractions on the tee box. 

VIEW TRAVELERS LEADERBOARD | PHOTOS

From fans yelling, to cameras flashing, to wind blowing, every pro golfer has had to step off their shot countless times.

But few have had to do it because of a frantic squirrel.

RELATED: 7 of the top animal encounters we’ve seen on the golf course

Rory McIlroy joined that group Saturday, when a shifty squirrel ran in front of his line on the first tee box, then stopped and stared down the golfer. Right when McIlroy thought the coast was clear, the squirrel came back for more.

Squirrel who interrupts swings > Guy who yells "Baba Booey"

Every time. pic.twitter.com/IvJGTVtHTC

— Golf Channel (@GolfChannel) June 23, 2018

McIlroy carded a bogey on the hole, so the squirrel's job was complete.