He birdied seven consecutive holes (16 through 18, then 1 through 4) and nine holes out of 10 in one stretch on his way to an 8-under-par 63.
After carding a three-over 74, Danny Lee has withdrawn from the PGA Tour's John Deere Classic.
"This morning without traffic, they were rolling like carpet", Howell said. Hadley, 30, posted a bogey-free seven-under 64 that featured birdies on three of his last five holes. He earned a PGA Tour card previous year through the Web.com Tour.
"I'm just waiting for something", McIlroy said. Brandt Jobe was at 10 under with two holes to play, and Scott McCarron shot a 68 to get to 9 under at the midpoint. He needs 79 wins to tie him, to be exact, but he'll only be 78 short if he strings together two more rounds this weekend like he did on Thursday and Friday.
That was two clear of Bryson DeChambeau, who signed for a 65, with two-time major victor Zach Johnson and overnight joint-leader Charles Howell III a shot further back in a tie for third at TPC Deere Run. Johnson, from Cedar Rapids, Iowa, won the 2012 tournament. "You've got to make a lot of birdies around here". "The course is still nice".
"We had a little bit of a breeze out there today", Howell said. "I technically only had 1 1/2 mud balls probably, so that was pretty good considering".More news: White House voter commission doxxes Americans by revealing emails & addresses - RT America
Langer made five birdies on the back nine Friday to take a two-shot lead over Corey Pavin before the second thunderstorm of the day suspended play late in the second round.
Irvine: Finland's Mikko Ilonen produced his lowest score in two years to set a new tournament course record as Rory McIlroy continued to struggle on day one of the Scottish Open at Dundonald Links on Thursday.
Howell and Schniederjans are coming off injuries. A win this week also would be the first of his career. "Kind of have to have maintenance. Just something to go right, and the last couple of weeks haven't been like that".
Bubba Wastson, the two-time Masters victor making his first Quad Cities start in seven years, opened with a 69.
Defending champion Ryan Moore shot a 71 and missed the cut, finishing at 3 over after two rounds.
The British Open is holding one spot for the leading player among the top five who is not already exempt next week at Royal Birkdale.