nGetafe hosted Alcoyano sixth with 32 points, on the twenty-eighth matchday.
Samper scored in the 53rd and Villa equalised in the 97th, at the very last gasp.
Sierra made two changes at half-time: Javi and Villa came on for Arroyo and Manolo Díaz. The latter ended up scoring.
Caro, Pombo and Villa himself were the Getafe players booked; Alcoyano finished with ten men after Toto's second yellow in the 89th.
Marqués Nistal officiated. Getafe stayed sixth with 33 points.
