Rob Cook and Jonny May scored tries as Gloucester came from behind to beat Newcastle 22-16 at Kingston Park.
Gloucester boss Nigel Davies hailed his side's mental strength as they fought back to claim a 22-16 win over Newcastle.
Dave Ewers returns to the Exeter side at number eight for Sunday's clash with second-placed Leicester.
Leicester crushed Newcastle 31-6 as Falcons director of rugby Dean Richards made an unhappy return to Welford Road.
Paul Burke paid tribute to Manu Tuilagi after the Lions star helped lift the Tigers to the top of the Premiership.
Leicester Tigers will welcome back Toby Flood, Ben Youngs and Manu Tuilagi for Saturday's fixture against Newcastle.
Newcastle won their first match since returning to the Aviva Premiership after eking out a 15-14 success over Sale.
Newcastle director of rugby Dean Richards thought his side deserved their narrow Aviva Premiership victory over Sale.
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