"He got on to his bank immediately and that's when I realized it must be the other Tommy Fleetwood and worked out it was his Open winnings".
The much older Fleetwood has also been a pro golfer - he's now attempting to get onto the senior tour.
An American club pro called Tommy Fleetwood, who must have long idly wondered what it was like being the British version, got a taste last week when he found $154,480 (£119,884) deposited by the European Tour into his Wells Fargo bank account.
Instead of paying the world's No 11-ranked golfer for his 12th-equal finish at Carnoustie, US$154,480 (NZ$230,000) was direct-credited to American club pro Tommy Fleetwood, a past player on the European Tour, the Telegraph reported.More news: In the end, Pope's homeland rejects abortion law
Tommy Fleetwood must have some deep pockets because the English golfer has laughed off the fact that $150,000 was mistakenly deposited into the bank account of another man that's named Tommy Fleetwood. He was not positive it was the same amount that Tommy won at the Open but we checked and it was.
Hs is now preparing to play at this week's USPGA Championship at Bellerive in Missouri.
The problem: It went to the wrong Tommy Fleetwood.More news: Dozens killed, including children, in Yemen air strikes
Fleetwood, who begins his PGA Championship bid at Bellerive on Thursday, said: "It looks pretty genuine".
"I didn't believe him at first but then I watched him log into his account and I was like "Holy crap".
His wife and manager, Clare Fleetwood, has received an apology from the European Tour and is trying to establish if the funds have been transfered to the proper account.More news: PGA Championship Predictions: One Of These Five Golfers Will Win Wanamaker Trophy