Matthew Amoah leads Vitesse to Victory

AMSTERDAM, Oct 22 (Reuters)(DS) - Dutch league leaders Vitesse Arnhem moved four points clear with a 2-0 win at AZ Alkmaar on Sunday. Matthew Amoah headed Vitesse ahead from a corner three minutes before halftime but they had to cling on grimly before Viktor Sikora sealed victory with a second goal two minutes from time.