"I think Messi has shown that he's the best," Koeman said. "The first goal was fantastic. He deserves to be important for this team.
"No more can be said [about him]. The level he's been at for so many years, for so many games. He's the most important man in the club's history.
"Luckily he's still with us."
"It's important [to score from outside the area]," Koeman said. "For teams that defend with so many players in the box, it's important to finish off the moves.
"You have to shoot. In general, we were good tonight. We've been trying these shots in training."
Koeman still believes in the Catalans' title chances, despite them having looked adrift earlier in the season.
"I've always said there was a lot to play for," Koeman said. "It's always hard for any team to hold out.
"After all the points we dropped, I think we've reacted well.
"The team are in good shape and we're fighting. We can't lose any more points because we've already dropped quite a few."
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