Spain made a statement against Serbia in the UEFA Nations League on Tuesday to remain unbeaten, while a six-goal thriller between Poland and Croatia ended in a draw.
Former Spain and Barcelona midfielder Andres Iniesta has confirmed his retirement from football at the age of 40.
FC Barcelona's Dani Olmo was forced off the pitch during a La Liga match against Girona on September 15 at Montilivi after experiencing muscular discomfort.
Cristiano Ronaldo came up clutch for Portugal in the Nations League on Sunday, while Spain thumped Switzerland despite a first-half red card.
Spain forward Dani Olmo will be absent from Sunday's UEFA Nations League match against Switzerland due to a minor knee injury and is set to return to Barcelona early for treatment.
Chelsea have sealed a deal with Atletico Madrid to sign Joao Felix in a swap deal with midfielder Conor Gallagher to transfer to the Spanish club.