3M Open: Notes, Odds Best Bets Field Level Media The 3M Open begins Thursday at TPC Twin Cities. World No. 2 Dustin Johnson and No. 9 Louis Oosthuizen are among the players who have made the trip across the Atlantic Ocean after competing in The Open Championship last week. While they are among the favorites, this is a critical event for many inthe field with only three weeks of events before the start of the FedEx Cup Playoffs. Tournament notes, betting odds and best bets: THE 3M OPEN Purse: $6.6M (Winner: $1.188) HOW TO WATCH TV: Thursday-Friday, 2:30-6:30 p.m. ET (Golf Channel); Saturday-Sunday 1-3 p.m. (Golf Channel), 3-6 p.m. (CBS).