Francisco Garcia, worked with Atletico Portada Alta before his death, and was also suffering from leukaemia.
Local reports from Spain suggest the health authorities have said he would not have died from coronavirus if he did not have leukaemia.
A club statement read:
“From Atletico Cotada Alta we want to express our deepest condolences to the family, friends and relatives of our coach Francisco Garcia who has left us, unfortunately, unfortunately, today.
“What do we do without you now, Francis? Yes you were always with us on the Cover or wherever needed, helping.
“How are we going to keep conquering miles in the league? We know how, but we sure will, for you.
“We will never forget you, rest in peace phenomenon. See you forever.”
Second division side Malaga tweeted: “From the Club we want to transfer to @AtlPortadaAlta Our deepest condolences for the loss of one of his technicians, Francisco García, as well as sending a warm hug to his family and friends.
“Together we must stop the #COVIDー19.”