Laird and Knox fall back at the Memorial

Scots Martin Laird and Russell Knox lost ground over the third round of the US PGA tournament, the Memorial, at Columbus, Ohio.
Laird has had scores of 71, 68 and 75 for 214 and is now T38.
Knox's rounds have been 71, 70 and 78 for 219 and T61 position.
Daniel Summerhays has taken over the lead with scores of 66, 69 and 68 for 203.
He leads by three shots from fellow-America Matt Kuchar (69-70-67).

THIRD ROUND LEADERBOARD
Players from USA unless stated otherwise
203 Daniel Summerhays 66 69 68.
206 Matt Kuchar 69 70 67.
207 Bubba Watson 71 68 68, Justin Thomas 67 71 69, Jason Dufner 65 65 77.
208 Rickie Fowler 70 66 72, Jamie Lovemark 69 69 70.

SCOTS' SCORES
214 Martin Laird 71 68 75 (T38)
219 Russell Knox 71 70 78 (T61)