to Aviva Premiership with a 60–47 aggregate win over Doncaster. February 2016 saw the signing of Wales International scrum half Rhodri Williams from Scarlets for the 2016–17 season. Tusi Pisi signed for the club from Japan's Sunwolves Super Rugby franchise in March. Head coach Sean Holley resigned from his position at the club. Former Welsh Internationals Jonathan Thomas appointed first team Defence Coach & Dwayne Peel Backs and Skills Coach. Further signings include USA International Centre Thretton Palamo from Saracens and Tongan International Prop Forward Soane Tonga'uiha from French side Oyonnax. November 2016 saw the sacking of Director of Rugby Andy Robinson due to poor results and 'lost confidence' from the board. Club stalwart and top points scorer Mark Tainton was appointed interim head coach for the remainder of the season. Further signings announced by club included Siale Piutau from Yamaha Jubio, Irish international lock forward Dan Tuohy, All Black international scrum half Alby Matthewson and Shane Geraghty from London Irish. On New Year's Day, 2017, Varndell equalled Mark Cueto's premiership tries record of 90 tries by scoring against Sale Sharks. This followed a hat-trick in the previous week against Worcester Warriors. On 10 February Varndell became the leading try scorer in the Aviva Premiership when he scored against Harlequins at Ashton Gate. Ultimately, Bristol finished bottom of the Premiership in their returning year, having been relegated with 2 weeks to go after a 21–36 loss against Wasps at Ashton Gate. They finished 12th with only 3 wins and 20 accumulated points, 13 behind 11th placed Worcester Warriors. Their three victories involved beating Worcester 28–20 at Ashton Gate, beating Sale 23–24 at the AJ Bell, and dramatically defeating longstanding rivals Bath Rugby 12–11 at home. Following their relegation, several notable signings moved away from the club, including Jason Woodward to Gloucester Rugby and Gavin Henson to Newport Gwent Dragons. On 5 December 2016, it was announced that Pat Lam would become the new head coach for Bristol Rugby after leaving the Irish region Connacht ahead of the 2017–18 season. Notable signings ahead of the new season were Australian International Luke Morahan from Western Force and All Black Steven Luatua from Blues. Bristol secured promotion in the 2017-18 RFU Championship with two games to spare on 7 April 2018 and ultimately finished top with only one defeat at the hands of Jersey Reds on 4 March 2018. Bristol finished 20 points