GLENN MORRIS returns to the O's side for the first time in four months as Jamie Jones misses out in goal with a back injury.
Scott McGleish, Ben Chorley and Sean Thornton are also back in, in place of James Scowcroft, Luke Ashworth and Jimmy Smith.
Leyton Orient: 1. Glenn Morris, 2. Stephen Purches (capt), 4. Ben Chorley, 5. Tamika Mkandawire, 7. Aaron Doran, 8. Adam Chambers, 9. Scott McGleish, 10. Sean Thornton, 11. Jason Demetriou, 13. Charlie Daniels, 15. Jonathan Téhoué
Subs: 6. Luke Ashworth, 14. Ryan Jarvis, 16. Andrew Cave-Brown, 18. Harry Baker, 20. Jimmy Smith, 22. James Scowcroft, 26. Jack Giddens (GK)
Walsall: 21. Rene Gilmartin, 3. Netan Sansara, 7. Steve Jones, 10. Troy Deeney, 11. Alex Nicholls, 14. Richard Taundry, 15. Josh O'Keefe, 16. Darryl Westlake, 19. Jamie Vincent (capt), 24. Julian Gray, 26. Clayton McDonald
Subs: 1. Clayton Ince (GK), 5. Mark Hughes, 6. Manny Smith, 12. Mark Bradley, 18. Peter Till, 22. Will Grigg, 27. Darren Byfield
Referee: David Phillips
