The Latest: Spieth and McIlory underway at PGA; Lingmerth grabs share of the lead

Rory McIlroy, of Northern Ireland, watches a shot on the 15th hole during the first round of the PGA Championship golf tournament Thursday, Aug. 13, 2015, at Whistling Straits in Haven, Wis. (AP Photo/Jae Hong) (The Associated Press)

David Lingmerth, of Sweden, hits a shot on the first hole during the second round of the PGA Championship golf tournament Friday, Aug. 14, 2015, at Whistling Straits in Haven, Wis. (AP Photo/Brynn Anderson) (The Associated Press)

The Latest from the PGA Championship at Whistling Straits (all times local):

8:29 a.m.

Rory McIlroy and Jordan Spieth are on the course to start their second round at the PGA Championship on Friday.

Both players opened with routine pars and are 1 under for the tournament. They are five shots behind Dustin Johnson and David Lingmerth, who began his round with a birdie to get to 6 under. Johnson tees off later in the day.

Seven players are at 4 under. All play in the afternoon, except Scott Piercy. He joined Lingmerth as the only other player to break 70 in an afternoon round Thursday at Whistling Straits.