Saracens were on the brink of a second defeat in three Premiership games but they battled back to defeat London Irish.
Exeter Chiefs fell to a narrow Premiership defeat at Bath, as Stuart Hogg's first appearance ended in disappointment.
Nathan Hughes made a big impact on his Premiership debut for Bristol Bears, while Luke Morahan claimed a brace in an emphatic derby win.
Munster, Racing 92 and the Ospreys will take on holders Saracens in the pool stage of the 2019-20 European Champions Cup.
Northampton Saints took the final Premiership play-off spot despite losing to Exeter, while Bath secured Champions Cup rugby next term.
Although their chances of reaching the play-offs were remote, Wasps still had hope until slumping in the second half at Bath on Sunday.
Anthony Watson was back in Premiership action on Friday, but Newcastle Falcons' time in the top flight looks to be coming to an end.
Anthony Watson has not played since the 2018 Six Nations but will finally return to the Bath team this weekend.
Bath are on the search for a new director of rugby after Todd Blackadder announced he will leave the club at the end of...
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Worcester Warriors and Bristol Bears eased their relegation fears, leaving Newcastle Falcons needing a great escape to avoid the drop.
Freddie Burns showed off a clever piece of skill on Twitter, as he stacked two balls on top of each other and split the...
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Exeter Chiefs earned a home semi-final with four games to spare, while Saracens scored a late try to hurt Newcastle's survival hopes.
Wales international Rhys Priestland has committed to Bath through to the end of the 2020-21 season having initially appeared set to leave.
Bath were well beaten at Sandy Park as Exeter Chiefs sealed a top-four spot by extending their winning streak to four matches.
Francois Louw will spend a ninth season with Bath after extending his contract at The Rec.
Saracens suffered a second defeat in three at Bath, while Sale Sharks piled on the agony for Leicester Tigers.