Motherwell manager Stuart Kettlewell makes just one change from the side that came back from 2-0 down to draw with St Johnstone last time out.
Striker Theo Bair starts, with on-loan Huddersfield Town defender Brodie Spencer dropping to the bench, which suggests a possible change of shape.
Striker Jon Obika is fit enough to return to the bench.
Hearts head coach Steven Naismith changes three from their 3-1 League Cup semi-final loss to Rangers.
In come striker Liam Boyce, winger Alan Forrest and on-loan midfielder Alex Lowry, who was unable to play against his parent club.