Thacker was born in Leicester. His elder brother is Bristol Bears hooker Harry Thacker, and his father Troy Thacker also played hooker for Leicester.[2]
Career
Thacker made his Leicester Tigers debut on 1 November 2014 in a 17-16 win against London Irish in the Anglo-Welsh Cup.[3] He scored his first try for the club on 4 November 2017 against Gloucester again in the Anglo-Welsh Cup[4] and was named as the fans' man of the match for his performance.[5][2]
On 15 May 2019 he was announced as one of the players to leave Leicester following the end of the 2018-19 Premiership Rugby season.[6]