The final round of the 2021 3M Open tees off Sunday, and live Round 4 coverage can be found on CBS and streaming on Paramount+ starting at 3 p.m. ET. The latest 2021 3M Open odds from William Hill Sportsbook list Cameron Tringale at 3-1, while Gary Woodland is 11-2 and Maverick McNealy is 13-2. Tringale leads is on top of the 2021 3M Open leaderboard at 12-under par, while Woodland and McNealy are both -11. 

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We simulated the final round of the 2021 3M Open 10,000 times, and there are some MAJOR surprises.

Our proprietary model, built by DFS pro Mike McClure, has been RED-HOT since the PGA Tour resumed last June. In fact, it's up over $10,500 on its best bets since the restart, nailing tournament after tournament.

At the 2021 Open Championship, McClure's best bets included Collin Morikawa winning outright even though he was listed as a massive 40-1 long shot. He was also all over Daniel Berger (+220) and Emiliano Grillo (+700) finishing inside the top-20. McClure's best bets netted over $2,200 at the Open Championship.

In addition, McClure's model was all over Jon Rahm's (10-1) first career major championship victory at the 2021 U.S. Open. Rahm was two strokes off the lead heading into the weekend, but the model still projected him as the winner. And at the 2021 Masters, McClure nailed Rahm's (+250) top-five finish in his best bets, as well as Corey Conners' (+550) top-10 showing. 

This same model has also nailed a whopping seven majors entering the weekend! Anyone who has followed it has seen MASSIVE returns!

One major surprise the model is calling for in the final round of the 2021 3M Open: McNealy, who enters Sunday just one shot off the lead, finishes outside the top three! Another surprise: Louis Oosthuzen, a 33-1 long shot who is four shots off the lead, makes a strong run at the title. He's a target for anyone looking for a HUGE payday.

The model is also targeting a MASSIVE long shot who comes in at over 60-1 in the 3M Open odds 2021, but is set to make a stunning run. Anyone who backs this underdog could cash in HUGE. Don't forget to stream the final round on Paramount+ with their must-have Premium Plan.

So who wins the 2021 3M Open? And which HUGE long shot makes a serious run at the title on Sunday? ... Join SportsLine right now to see who you can bank on to win the 2021 3M Open, and see which long shots make a run at the title, all from the model that nailed seven majors!