Las Palmas signing Vitolo is urging Jonathan Viera is resist a move to England.
Viera is interesting Swansea City and Everton this summer.
But Vitolo, who arrived on-loan from Atletico Madrid, declared: "I cannot imagine a UD Las Palmas without Viera.
"For me Jonathan, as many have said, is the key player in this UD, he is a different player and as others have said I would also make an effort for him to stay.
"He is an excellent player."
Source: tribalfootball.com