Jenkins misses the match with a tight thigh and Warburton comes straight into the starting XV.
There is also one change on the bench with Taulupe Faletau replacing Ross Moriarty.
Luke Charteris will still captain the side.
WALES TEAM TO PLAY CHIEFS:
Matthew Morgan (Bristol Rugby), Eli Walker (Ospreys), Tyler Morgan (Newport Gwent Dragons), Scott Williams (Scarlets), Tom James (Cardiff Blues), Rhys Priestland (Bath Rugby) Gareth Davies (Scarlets), Rob Evans (Scarlets), Scott Baldwin (Ospreys), Tomas Francis (Exeter Chiefs), Jake Ball (Scarlets), Luke Charteris (Racing 92), Josh Turnbull (Cardiff Blues), Sam Warburton (Cardiff Blues), James King (Ospreys).
Replacements: Kristian Dacey (Cardiff Blues), Aaron Jarvis (Ospreys), Rhodri Jones (Scarlets), Bradley Davies (Wasps), Taulupe Faletau (Newport Gwent Dragons), Aled Davies (Scarlets), Gareth Anscombe (Cardiff Blues), Rhys Patchell (Cardiff Blues).
Wales team change v Chiefs
Wales have made a change to the side to face the Chiefs (Tuesday 14th June KO 18:35 NZ) with Sam Warburton replacing Ellis Jenkins.