It will be an interesting match I never doubt that. However, I would really like the match more if the referee won't screw Sevilla up, as in literally almost every match that we play against the giant duo (Barca, RM). The last encounter in Camp Nou (November 2014) was alright though, without referee's help. Most of the other matches had at least 1 controversial decision against Sevilla, damaging us a lot. Furthermore, I would also not want the referee to damage Barca by any means. Hopefully he can control this dynamic match, as I can tell you one thing for tonight, Sevilla will not make it easy for Barca, and those highly optimistic that this will be a walk in the park, might just be disappointed at the end.
Anyway, as someone mentioned in the forum somewhere, all it takes is Messi on GOD MODE and the job is done. I just hope that Emery has figured out something to stop that from happening. I'm not afraid from the poor finisher Neymar, but still Suarez can cause a lot of headaches in our defense.
This will be one of the rare times also that Sevilla will be in full force (squad wise). In the last encounter, we didn't have M'bia (so zero set-piece risk from our side), and missed both Tremoulinas and Navarro (LB's), so a RB (Diogo) had to improvise as a LB for that match, which is a pity.
All in all, may the best win!