Sources: Barcelona keeping tabs on Emerson, Dani Olmo, Fabian Ruiz

Steve Nicol says Lionel Messi alone won't solve Barcelona's concerns on the pitch in what is shaping up to be a tight La Liga title race.
Barcelona are closely following the progress of Real Betis' Emerson, Dinamo Zagreb's Dani Olmo and Napoli's Fabian Ruiz as they begin to plan for next season, multiple sources have confirmed to ESPN FC.
The transfer window only closed at the beginning of September but Barca are already making plans for the future, with a right-back to put pressure on Nelson Semedo among their priorities.


- When does the transfer window reopen?
- All major completed transfer deals


Brazilian full-back Emerson...