Patel, who set a 36-hole record with rounds of 65 and 69, collapsed over the weekend with rounds of 74 and 76 and finished at four-under 284 after being 10-under 134 at the midway mark.
Patel had two doubles on each of the last two days as he threw away a chance to claim his maiden Web.Com Tour title. Seamus Power posted the only bogey-free round of the day Sunday (5-under 67) to become the first Irish winner ever on the Web.Com Tour, squeezing out a one-shot victory.
Sloan put his tee shots in the water at each of the last two holes and made back-to-back bogeys. Cody Gribble then had a one-shot lead but made bogey at the 17th and hit it in the water over the green at 18 to allow Power to come-from-behind for his first ever Web.Com Tour title.