Leicester Tigers welcome back Graham Kitchener, Anthony Allen and Blaine Scully following injury for Sunday's sell-out Aviva Premiership Round 12 fixture against Bath Rugby at Welford Road.All three sat out the bonus-point win at Sale Sharks on the weekend after Christmas but have been passed fit to return for the start of the second half of the league programme.   Marcos Ayerza and Tom Youngs, who both started among the replacements at Sale, return to the starting line-up and they are joined in the front row by Fraser Balmain.   Julian Salvi makes his 100th appearance for the club since his debut at the start of 2011/12 season.   Sunday’s game is a 24,000 sell-out at Welford Road and is covered live by BT Sport. Kick-off is at 2pm. If you are not at the game you can keep in touch with all of the action using the Tigers social media channels and the club website.   Leicester Tigers (v Bath Rugby, Welford Road, Sunday 2pm) 15 Mathew Tait 14 Blaine Scully 13 Vereniki Goneva    12 Anthony Allen 11 Miles Benjamin 10 Owen Williams 9 Ben Youngs (c) 1 Marcos Ayerza 2 Tom Youngs 3 Fraser Balmain 4 Graham Kitchener 5 Geoff Parling 6 Jamie Gibson 7 Julian Salvi 8 Jordan Crane   Replacements 16 Leonardo Ghiraldini 17 Michele Rizzo 18 Tiziano Pasquali 19 Sebastian De Chaves 20 Robert Barbieri 21 Sam Harrison 22 Freddie Burns 23 Seremaia Bai   Bath Rugby: 15 Anthony Watson, 14 Horacio Agulla, 13 Sam Burgess, 12 Kyle Eastmond, 11 Matt Banahan, 10 George Ford, 9 Chris Cook; 1 Paul James, 2 Rob Webber, 3 David Wilson, 4 Stuart Hooper (c), 5 Dave Attwood, 6 Matt Garvey, 7 Francois Louw, 8 Carl Fearns Replacements: 16 Ross Batty, 17 Nick Auterac, 18 Henry Thomas, 19 Dominic Day, 20 Leroy Houston, 21 Micky Young, 22 Ollie Devoto, 23 Jonathan Joseph