Martins, who started his coaching career in Vitoria Setubal in 2004, also worked as an assistant coach in Porto and Belenenses.
Portuguese coach who started his coaching career at Uniao Lamas; He has also coached Lusitania Lourosa, Espinho, Maritimo B, Maritimo, Rio Ave, Vitoria Guimaraes and Olimpiakos.
The 52-year-old coach signed a 2-year contract with Qatari team Al-Gharafa at the beginning of the season.