Boca Juniors signs Uruguay striker Edinson Cavani on free transfer from Valencia

Cavani signed 18-month contract with Boca Juniors after terminating deal with Valencia
Boca requesting additional time to register Cavani for Copa Libertadores knockout stage
Cavani has had successful club career in Europe with Palermo, Napoli, PSG, Manchester United, Valencia
Cavani is Uruguay's second all-time top scorer and helped them win 2011 Copa America
Valencia terminated contract with Cavani due to his recent injury issues and lack of playing time