The Latest: Final round of PGA underway; a few early players going low

Jason Day, of Australia, reacts to his birdie on the 17th hole during the third round of the PGA Championship golf tournament Saturday, Aug. 15, 2015, at Whistling Straits in Haven, Wis. (AP Photo/Jae Hong) (The Associated Press)

Jordan Spieth hits on the ninth hole during the third round of the PGA Championship golf tournament Saturday, Aug. 15, 2015, at Whistling Straits in Haven, Wis. (AP Photo/Chris Carlson) (The Associated Press)

SHEBOYGAN, Wis. – The Latest from the PGA Championship at Whistling Straits (all times local):

10:38 a.m.

The final round of the final major of the year is underway.

Good scores are available.

Teeing off early Sunday, Ryan Moore made six birdies and played the front nine in 6-under 30.

Kevin Chappell is 4 under for the day through 12 holes.

Thirty of the 77 players shot rounds in the 60s on Saturday.

That included Branden Grace, who shot 64 to move into third place, three shots behind leader Jason Day, who shot 66 to head into the final round at 15 under.

Jordan Spieth shot 30 on the back nine to pull within two of Day.

Spieth and Day tee off in the last twosome this afternoon.