3 players who can catch Casey at Travelers Championship

Paul Casey owns a comfortable four-shot lead heading into the final round of the Travelers Championship and is favored to take home the trophy.

Since the beginning of 2013, PGA Tour players leading by four or more shots after 54 holes have won 82.4 percent of the time. Data Golf gives Casey a 71.78 percent chance to win at TPC River Highlands. But anything can happen on the golf course.

Here are three golfers who can catch Casey on Sunday (odds to win in parentheses):

Bubba Watson (25-1)

There are two things Watson knows how to do at TPC River Highlands: win and go low. The two-time winner of the Travelers Championship has four rounds of 63 or better at the event, including his 7-under round Friday. He's six shots behind Casey, which will allow him to be uber-aggressive - a style of golf he loves. Don't be shocked if he's in the clubhouse at 18-under late Sunday with all the pressure on Casey.

Jason Day (20-1)

Jason Day is the highest-caliber golfer within striking distance of Casey. The Aussie is 10-under for the event despite failing to card a round of 5-under or better through three days (he's one of two golfers yet to do so within the top 10). Sunday would be a great time for an 8-under breakout round, something Day can pull off easily with a hot putter.

Russell Henley (9-1)

Henley sits alone in second entering Sunday's final round, four shots back of Casey. On paper, it seems like a lot of ground to make up, but if Casey falters even the slightest, he's in position to strike. He won't be giving many shots away either, as his last bogey came 41 holes ago during Round 1 - his only one in the tournament. Henley will be paired with Casey during the final round.

(Photos courtesy: Getty Images)
(Odds courtesy: Bodog)