Glasgow Warriors head coach Gregor Townsend admits his side need to brush up their act - despite storming to the top of the Guinness Pro12 table.

The Scotstoun men reached the summit with last week's 54-10 thrashing of Italians Zebre, but with third-placed Ospreys next up at home today, perfectionist Townsend knows his men will not have it so easy.

He said: "We were pleased with our win last weekend, but there are aspects of our game which we need to improve, particularly our work in contact.

"Ospreys have performed consistently well in the league this season and are just four points behind us, so this is a very important game for both sides.

"The intensity levels at training have gone up this week, in the knowledge that we are up against a quality side and because this is a very important game.

"We are looking forward to playing in front of a big crowd at Scotstoun and it should be a cracking match."

Townsend's starting XV will see Centre Fraser Lyle make his home debut and scrum-half Ali Price start his first game at Scotstoun.

Edinburgh second-row Fraser McKenzie could make his Warriors bow from the bench after joining the club on a short-term deal this week, while full-back Glenn Bryce could make his second appearance for the Warriors and first at Scotstoun.

There are two positional switches and four personnel changes to the team which scored eight tries as Zebre were swept aside in Parma.

After scoring two tries in the last game, Peter Murchie is retained at full-back, while Niko Matawalu moves from scrum-half to the right wing to replace the injured Lee Jones.

Canadian winger DTH van der Merwe - who will move to Scarlets in the summer - continues on the opposite wing, while Richie Vernon and Lyle extend their centre partnership.

After scoring a brace against Zebre and being named man of the match, Peter Horne continues at fly-half, with Price wearing the No.9 jersey.

In the pack, Ryan Grant returns and starts at loose-head in place of Alex Allan, who is on the bench. Pat MacArthur continues at hooker and Rossouw de Klerk comes in for Mike Cusack at tight-head.

Leone Nakarawa moves from No.8 into the second row and will partner captain Al Kellock in the engine room.

James Eddie and Tyrone Holmes once again start at blindside and openside respectively, while Josh Strauss comes in at No.8 after making a second-half substitute appearance last Sunday following his return from injury.