Bayern thumped Barca 3-0 at the Nou Camp to reach the Champions League final 7-0 on aggregate.
"We'll evaluate at the end of the season. What we have to do now it support the players and stand by their side until the end of the season. Once the season comes to an end there will be time to make decisions," said Rosell, who added: "We have to focus on La Liga, we haven't won it yet. We have to work towards achieving this goal."