Updated March 8, 12:22 p.m.
But one brave soul made sure the 3-iron's stay at the bottom of the lake to the left of the Blue Monster's eighth was a short one.
A scuba diver working for Donald Trump jumped in near the end of Saturday's third round and rescued the club from its watery grave.
Appearing with the club on Golf Central Pre-Game on Sunday, Trump said he is "going to present [the club] to Rory on the practice range, and if he needs it - you know, it is a matched set of clubs - maybe he won't want it, maybe he will, maybe he'll use it today and give it me. But hopefully we can mount it or sell it for charity, one or the other."