Mannone will join Paolo Di Canio's side on a two-year deal and is likely to act as a replacement for former goalkeeper Simon Mignolet, who joined Liverpool in June.  

The Italian failed to establish himself at the Emirates Stadium after joining from Atalanta in 2005 and was loaned out for spells at both Barnsley and Hull City. 

Asensio's Screamer Vs FC Barcelona
Asensio's Screamer Vs FC Barcelona
In one of Real Madrid's most outstanding performances at the Camp Nou, Los Blancos beat FC Barcelona 3-1 in the Spanish Supercup. Real were leading 2-1 after Cristiano Ronaldo's 80th minute goal, but just before the final whistle, we sealed the win with this beautiful Marco Asensio strike.
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During his time at Arsenal, he made 15 appearances, featuring in both the Premier League and UEFA Champions League. 

Sunderland boss Di Canio has been busy in the transfer market as he looks to overhaul his squad, with the Italian signing Cabral, Valentin Roberge and Modibo Diakite on free transfers this week.