Roma vs Barcelona, Champions League 2015: Projected Lineups

The Chaaaaaaaampiooooooooooons is back! Barcelona's quest to back-to-back European Cup trophies begins on Wednesday, when the Treble winners face Italian Serie A runners-up AS Roma in what promises to be a very exciting UEFA Champions League debut at a sold-out Stadio Olimpico.

Tactics always matter, so let's have a look at the potential lineups both coaches might field in Rome:

Roma (4-3-3)

Nainggolan - De Rossi - Keita

Salah - Dzeko - Iago Falqué

Coach Rudi García saw his squad get way stronger over the summer, and the starting eleven we'll probably see on Wednesday will be very different from the one that got killed by Barça at Camp Nou in last month's Joan Gamper Trophy. Lucas Digné's loan…