Barcelona crushed Athletic Bilbao 3-0 at the Camp Nou and 5-1 on aggregate to clinch the Spanish Super Cup, which is their first trophy of the season.
Barca will be competing for six trophies this season, and have clinched their first in emphatic fashion.
Messi scored two goals, including a penalty while Bojan added the third by walking the ball into the net in embarassing fashion for Bilbao.
Messi - 49th (assist: Ibrahimovic)
Messi - 67th (penalty)
Bojan - 72nd (assist: Alves)