Scrum-half Sam Harrison will lead the Leicester Tigers in Saturday's LV= Cup tie against Northampton Saints at Welford Road.Harrison captained Tigers to victory over Sale Sharks in the opening home game of this season's tournament and will again lead out the team on home ground. Niall Morris makes his first starting appearance since the opening  month of the season after recovering from an ankle injury. The Irishman made his comeback as a second-half replacement in the European Cup match against Ulster in Belfast last weekend.   Jack Roberts is given his first start at centre since a mid-season move from Rotherham and George Catchpole makes his first appearance of the season after a loan spell at the Championship side.   Harrison partners Owen Williams at half-back. In the forward pack, there is a home debut for 23-year-old USA international lock Greg Peterson whose only previous appearance was in the closing minutes of the league win over Sale Sharks at Christmas.   Former Auckland and Brumbies lock Jack Whetton is among the replacements on his first appearance in a Tigers matchday line-up and centre Terrence Hepetema is included for the first time this season after injury.   A limited number of seats and terrace tickets game are still available from the Tigers ticket office. Call in at Welford Road or phone 0116 319 8888 (option 2) to book your place. The office is open until 5pm Friday and from 9am on matchday. Or click here to book online any time.   Leicester Tigers (v Northampton Saints, Welford Road, Saturday 3pm) 15 Tommy Bell 14 Niall Morris  13 George Catchpole 12 Jack Roberts 11 Adam Thompstone 10 Owen Williams 9 Sam Harrison (c) 1 Michele Rizzo 2 Harry Thacker 3 Fraser Balmain 4 Greg Peterson 5 Sebastian De Chaves 6 Jamie Gibson 7 Robert Barbieri 8 Laurence Pearce Replacements 16 Neil Briggs 17 Riccardo Brugnara 18 Logovi’i Mulipola 19 Jack Whetton 20 Charlie Beckett 21 David Mele 22 Matt Smith 23 Terrence Hepetema Northampton Saints: 15 Tom Collins, 14 Jamie Elliott, 13 Dom Waldouck, 12 Tom Stephenson, 11 Howard Packman, 10 Will Hooley, 9 Joel Hodgson; 1 Ethan Waller, 2 Matti Williams, 3 Gareth Denman, 4 Tom Ryder, 5 Alex Woolford, 6 Phil Dowson (c), 7 Teimana Harrison, 8 Cam Dolan. Replacements: 16 Reece Marshall, 17 Danny Hobbs-Awoyemi, 18 Adam Parkins, 19 Jordan Onojaife, 20 Ben Nutley, 21 Alex Day, 22 Sam Olver, 23 Rory Hutchinson