Patrick Rodgers (back) WDs from John Deere Classic

Patrick Rodgers withdrew from the John Deere Classic prior to Thursday's first round due to a back injury.

Austin Cook replaced Rodgers in the 11:50 a.m. ET tee time at the No. 10 hole at TPC Deere Run in Silvis, Ill.

Rodgers, 34, has recorded five top-25 finishes and made the cut in 16 of 19 starts this year. He has an Official World Golf Ranking of 85, however he has yet to win on the PGA Tour.

Rodgers joins Venezuelan Jhonattan Vegas, Colombian Nico Echavarria and Taylor Montgomery in bowing out of this tournament.

Vegas, Echavarria and Montgomery were replaced in the field by Will Gordon, Cameron Champ and Noah Goodwin, respectively.