The new deal will keep the 23-year-old at Benfica until the summer of 2016.
The Brazilian has developed into a key player for Benfica, following David Luiz’s January move to Chelsea.
Sidnei joined Benfica from Brazilian side Internacional in 2008.
The new deal will keep the 23-year-old at Benfica until the summer of 2016.
The Brazilian has developed into a key player for Benfica, following David Luiz’s January move to Chelsea.
Sidnei joined Benfica from Brazilian side Internacional in 2008.
