Academy players Lennox Anyanwu, George Hammond, Hugh Tizard and Jack Musk have all agreed new deals with the club.
All of the starting line-ups for the Gallagher Premiership Round Four action this Boxing Day and Christmas weekend.
Fijian superstar Semi Radradra returns to the Bristol Bears starting line-up ahead of the Boxing Day showdown versus Harlequins on Saturday.
Harlequins Head of Rugby Paul Gustard has named the team to travel to Gloucester this weekend as Chris Ashton returns to fitness to start at fullback, his position of choice at Toulon.