Ex-Brazil defender Caio secures Gremio move

RIO DE JANEIRO, June 3 (Xinhua) -- Former Brazil international defender Rodrigo Caio has joined Gremio on a free transfer, the Brazilian Serie A club said on Monday.

The 30-year-old, who had been without a club since parting ways with Flamengo in January, will be tied to the Porto Alegre outfit until December.

Given his history of knee problems, Caio has been given a series of performance-based incentives