Joey Snyder III poured in 11 birdies in his second-round, 7-under-par 34-30=64 at the John Deere Classic.
With a blistering 8-under-par, 31-32=63 in the third round of the RBC Heritage, Brendon Todd is 11-under 202, good for outright possession of the early 54-hole clubhouse lead.
Kiradech Aphibarnrat converted nine birdies in his third round of the Shenzhen International, but settled for a 4-under-par 32-36=68 to post 12-under 204, good for a two-stroke margin entering Sunday's finale.
Marc Leishman is included in the published field of next week's Zurich Classic of New Orleans.
Zach Johnson shot 6-over-par 73-75=148 at the RBC Heritage, missing the cut by six strokes.
Brandt Snedeker rebounded from a 6-over-par 77 in his opening round of the RBC Heritage with a 7-under 33-31=64 in today's second round to post 1-under 141 and make the cut by one stroke.
Troy Merritt enjoyed a day for the ages en route to a 10-under-par 33-28=61 in today's second round of the RBC Heritage.
Patrick Reed completed 36 holes of the RBC Heritage in 3-over-par 71-74=145 and will miss the cut.
In just another day at the office, 21-year-old Jordan Spieth blistered Harbour Town Golf Links for a bogey-free, 9-under-par 31-31=62 in today's second round of the RBC Heritage.
Peter Uihlein toured Genzon GC in 4-under-par 35-33=68 to move into top spot at the midpoint of the Shenzhen International.
Jim Furyk signed for a bogey-free, even-par 35-36=71 in today's opening round of the RBC Heritage.
Jordan Spieth settled for a 3-over-par 37-37=74 in today's opening round of the RBC Heritage.