Barcelona will begin the defense of their UEFA Champions League title in Group E, where Roma, Bayer Leverkusen and BATE Borisov lie in wait.
The Catalan side claimed their fifth European title last June by beating Juventus in the final, in the process finishing off a remarkable treble of trophies on the season.
Roma, meanwhile, finished second in Serie A, and Bayer Leverkusen took fourth in the Bundesliga. BATE Borisov, conquerers of Bayern Munich in 2012, won the Belarusian Premier League in 2014.
Here, B/R outlines five pivotal factors that could decide Group E.
via http://bleacherreport.com/articles/2563612-5-pivotal-factors-to-decide-champions-league-group-e