Dai Young felt the controversial decision to penalise Simon McIntyre in a late attacking scrum cost Wasps in a 15-12 defeat at home to Exeter.
Fly-half Ignacio Mieres kicked five penalties to give Exeter a 15-12 win at Adams Park to pile on the misery for relegation-threatened Wasps.
Wasps have made two personnel changes to the XV that played Saracens last week for their Premiership clash with Exeter on Saturday (5.30pm).
Hoani Tui and Jason Shoemark have agreed new two-year contracts with Exeter.
Rob Baxter acknowledged that international call-ups helped his Exeter team to record two wins over Leicester in the Premiership this season.
Exeter moved up to fifth place in the Premiership as they completed a season's double over Leicester with a 19-11 victory at Sandy Park.
Exeter coach Rob Baxter has recalled several of his first-choice players for Saturday's Aviva Premiership clash with Leicester.
Worcester have signed John Andress from Exeter Chiefs with the Ireland A international prop moving to Sixways in the summer.
Bath forwards coach Martin Haag was delighted to secure a home LV= Cup semi-final against Leicester with a comprehensive win over Exeter.
Tom Biggs scored a first-half hat-trick as Bath beat Exeter 31-3 at Sandy Park to secure a home LV= Cup semi-final against Leicester.
James Hanks will skipper Exeter in Sunday's LV= Cup clash with Bath (kick-off 5pm).
Exeter head coach Rob Baxter conceded he was frustrated not to pick up a bonus point as his much-changed side hammered Wasps 30-16.
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