Pro golfer Tommy Gainey -- famously known as Tommy "Two Gloves" -- was arrested in a major prostitution sting in Florida ... TMZ Sports has learned.
The 44-year-old was 1 of 124 people busted in an undercover investigation in Polk County, Florida dubbed, "Operation Santa's Naughty List."
According to officials, Gainey was arrested for soliciting a prostitute -- and is facing a 1st-degree misdemeanor solicitation charge.
The sting op was a 6-day investigation using undercover detectives to target prostitution, human trafficking and child predators.
Cops say they used Internet advertisements to arrange meetings between the detectives and suspects.