New Orleans: Unheralded American Chris Couch produced one of the PGA Tour’s most unlikely wins with a dramatic one-shot victory at the Zurich Classic of New Orleans Sunday.

The 32-year-old from Florida, who has played mainly on the minor Nationwide Tour, chipped in from 50 feet at the last for an unlikely par-four and a seven-under-par 65.

That left Couch on 19-under 269, just ahead of playing partner Charles Howell III whose 65 earned him a tie for second with PGA Tour veteran Fred Funk, after a best-of-the-week 62.

“This means so much,” a beaming Couch said after receiving a winner’s cheque for $1.08 million, more than triple his previous career earnings on the PGA Tour.