The Brazilian defender feels the Bluagrana would be wrong to allow the two attackers to depart this summer, while he remained coy on the future of Neymar
Dani Alves has urged Barcelona to focus on strengthening their squad this summer rather than cash in on first-team regulars such as David Villa and Alexis Sanchez.
Villa, 31, has been linked with a move to Premier League giants Arsenal, while the 24-year-old Alexis has caught the attention of Juventus and Inter.