Carlos Ortiz, Dustin Johnson and Brooks Koepka will be happy with their starts, while Phil Mickelson and Sergio Garcia are out of the hunt.
J.T. Poston posted seven birdies and an eagle in his bogey-free 62 to jump out to the Thursday lead at TPC Deere Run.
Bobby Portis had his loyalty to the Milwaukee Bucks rewarded, while some massive rookie extensions were handed out to Dort and Simons.
Defending champion Max Verstappen looks to be running away with the 2022 Formula One championship. Another win in Montreal - his fifth in six races - extended his lead to 46 points over team-mate Sergio Perez and 49 over Ferrari's Charles Leclerc.