The home side could have leapfrogged the Warriors at the top of the conference with a victory but a hat-trick from replacement Niko Matawalu and a Nick Grigg saw Glasgow leave south Wales with all five points.

Despite starting on the bench Matawalu was introduced to the game after just a minute replacing Ruaridh Jackson who picked up an injury in the opening exchanges.

Brandon Thomson stroked a penalty over before the home side took the lead with the game’s opening try from close range.

However Glasgow responded well and regained the lead shortly after. Adam Ashe charging down a clearance kick which put the pressure on the hosts. As the ball went wide DTH van der Merwe sucked in his defender before offloading beautifully out the back to Matawalu who had an easy run in.

The Fijian’s next score was off another moment of individual brilliance, this time from Nick Grigg. The centre breaking two tackles before racing downfield, Niko on his shoulder to collect the pass gratefully and race away under the sticks.

With the scores 10-17 at the break Ospreys scored an early penalty to keep the pressure on but Glasgow and Niko soon had their third.

Playing with penalty advantage after a dominant driving maul, Brandon Thomson’s cross field kick sat up nicely for the winger to complete his hat-trick.

Glasgow had a bonus point in their sights and soon secured it. A lovely set piece move dissecting the Ospreys defence. DTH with the initial break, feed Stafford McDowall who in turn passed to eventual man of the match Nick Grigg who had enough pace to finish under the sticks.

Ospreys continued to throw everything at the Warriors and got a lucky bounce off a long kick forward that gifted them a second score.

But Glasgow had done enough to return to Scotland with five points as well as denying their rivals any as they look forward to two weeks of rest before welcoming Cardiff Blues to Scotstoun at the end of the month.

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