The split decision win was Davis' first fight outside of the UFC after competing 14 straight times in the UFC over the last four years.
In the two co-headlining bouts, Douglas Lima defended his welterweight title against Terry Martin, while Ryan Jimmo won the light heavyweight title over Zak Cummings.
Check out all the MFC 29 results are below.
Douglas Lima def. Terry Martin via TKO (punches) - Round 1, 1:14
Ryan Jimmo def. Zak Cummings via unanimous decision
Marcus Davis def. Curtis Demarce via split decision
Hermes Franca def. Robert Washington via TKO (punches) - Round 2, 0:26
Pete Spratt def. Demi Deeds via submission (armbar) - Round 2, 4:19
Ali Mokdad def. Andreas Spang via submission (rear-naked choke) - R1, 1:35
Dhiego Lima def. Josh Taveirne via submission (rear-naked choke) - R3, 3:35
David Harris def. Chucky Mady via submission (rear-naked choke) - R1, 3:07
Matthew Spisak def. Pete Brown via unanimous decision