C.D. Guadalajara
Isella was born in Chiapas to an Afro-Honduran father and a Mexican mother. After joining the C.D. Guadalajara youth academy, he opted to represent Mexico internationally. Isella debuted professionally for C.D. Guadalajara and managed to get an early call-up to the Mexico national football team by coach Enrique Meza after having a standout season.