Jules Kounde and Robert Lewandowski were on target for Barcelona in a 2-1 win over Osasuna in Pamplona. Joao Felix and Joao Cancelo also made their debuts.
Xavi admitted Barcelona were not at their best against Osasuna but warned that no teams will find it easy to play at El Sadar this season.
Barcelona midfielder Gavi made his 100th appearance for the club in all competitions against Osasuna. The teenager is the youngest player to hit the milestone for the club.
Xavi handed debuts to new signing Joao Cancelo, Joao Felix and Inigo Martinez against Osasuna. The trio all arrived in the second half as Barca ran out 2-1 winners.
Joao Cancelo was thrilled to make his Barcelona debut against Osasuna and said his team-mates had told him before the game how it would be a complicated game.
Eric Garcia is still waiting to make his debut for Girona after being an unused substitute at the weekend, while Julian Araujo impressed despite Las Palmas losing 1-0.