The Brazilian forward joined the west London club on a temporary deal last month as the Blues moved to bolster their attacking options at Stamford Bridge.
Pato is yet to make his first appearance for Chelsea as he works on his fitness levels at the Blues’ Cobham training base.
However, his lack of first-team action does not appear to be getting him down if this picture from Chelsea training on Thursday is anything to go by.
Guus Hiddink’s men head into their clash with the Magpies on Saturday evening looking to return to winning ways after they were held to a 1-1 draw by Manchester United at Stamford Bridge last Sunday.
The west London side are currently in 13th place in the Premier League title as they prepare for their Champions League clash with Paris Saint-Germain next week.
MORE: Latest Man Utd news
MORE: Latest Arsenal news
MORE: The latest football news