Mayoral suffered a knee injury last Saturday against Las Palmas.
It's suggested Borja will be out for around two or three months due to a tear in the meniscus of his left leg as he faces surgery, reports Cadena COPE.
Advertisement
Advertisement
It's a massive blow for for the striker, who was on track to make Spain's Euros squad.
It's also a blow for Getafe, where Borja's goals has them in contention for European qualification.