Saracens and Exeter Chiefs will go their separate ways at the end of the season, but a second-string battle was a reminder of their rivalry.
Leicester Tigers were thrashed by Wasps while Sale Sharks held off Saracens in Wednesday's Premiership matches.
Just under 3,000 fans returned to see Harlequins lose to Bath, while Owen Farrell saw red for a high tackle as Saracens lost against Wasps.
Wasps lost four players to injury in the first half at The Rec and trailed by 13 points, but roared back to claim a battling victory.
A last-gasp try from Billy Keast gave Exeter Chiefs a dramatic late win over Bristol Bears.
There were comebacks for leaders Exeter Chiefs and Wasps in Friday's Premiership action.
An impressive showing from Wasps saw them claim a bonus-point win over Northampton Saints at Franklin's Gardens on Sunday.
Three Premiership clubs - Gloucester, Wasps and Worcester - have reduced wages due to the financial impact of coronavirus.
Exeter Chiefs have returned to the Premiership summit, while Wasps and Saracens also celebrated victories.
There was no debut victory for Bath new boy Rhys Webb as Bristol Bears continued their charged at a packed Rec.