CRISTIANO RONALDO is ready to "perform a miracle" for Juventus tomorrow, according to Wojciech Szczesny.

The Polish keeper is backing the Portuguese mega-star to help the Old Lady overturn their 1-0 deficit from the first leg of their last-16 Champions League tie against Lyon.

Ronaldo bagged a hat-trick at the same stage of the tournament last season to help the Italian giants overturn Atletico's 2-0 first-leg advantage. 

Juve won the tie 3-2 on aggregate and Szczesny is backing the 35-year-old to do the same again in Turin tomorrow night.

He told Tuttosport: "I see a team ready, there is an environment similar to last year before the match against Atletico Madrid.