Zach Johnson compiled a bogey-free 6-under-par 33-32=65 in the final round of the John Deere Classic to force a playoff with 54-hole leader Troy Matteson that Johnson would eventually win with a birdie on the par-4 18th on the second extra hole.
The second round of the Crowne Plaza Invitational at Colonial was suspended for the day at 6:38 p.m. CT.
Dustin Johnson is listed in the published field of next week's Memorial.
Louis Oosthuizen is not listed in the published field of next week's Memorial.
David Hearn followed his opening 64 at the Crowne Plaza Invitational at Colonial with an 8-over-par 42-36=78 in his second round to post 2-over 142 and miss the cut.
Graham DeLaet backed up his opening 64 at the Crowne Plaza Invitational at Colonial with a 3-under-par 33-34=67 in his second round to reach the midpoint in 9-under 131, good for outright possession of the early 36-hole clubhouse lead.
Patrick Cantlay withdrew during his second round of the Crowne Plaza Invitational at Colonial due to a back injury.
Luke Donald completed 36 holes of the BMW PGA Championship in 6-over-par 78-72=150 and will miss the cut.
Sergio Garcia settled for an even-par 35-37=72 in his opening round of the BMW PGA Championship.
Charley Hoffman signed for a 4-under-par 36-30=66 following his opening round of the Crowne Plaza Invitational at Colonial.
Colonial Country Club member Ryan Palmer thrashed his home course for eight birdies en route to a bogey-free, 8-under-par 31-31=62 in his opening round of the Crowne Plaza Invitational at Colonial.
Retief Goosen withdrew from this week's BMW PGA Championship on Wednesday due to a lingering injury in his back.