The Brazilian recently completed a move to Middlesbrough and cannot wait to get started.
The Gunners boss is under renewed pressure following an opening day defeat.
Foderingham's position as Rangers number is being threatened by the arrival of Matt Gilks.
The Reds can take plenty of positives despite losing the game 1-0 at Griffin Park
£89 million signing Paul Pogba has declared himself fit enough to feature for United against Southampton on Friday.
The Liverpool striker has been looking for a new club for most of the summer, with Wolves reportedly emerging as a shock possibility.
The Aston Villa manager was clearly frustrated by the manner in which Villa conceded, but is confident that Gollini will get over it.
The Whites defender is looking forward to lining up with the midfielder again this season.
The Belgian star is a big miss for Tottenham Hotspur, with the 29-year-old still out for another three domestic matches.
The former Boro favourite says his former club have nothing to fear in their quest for Premier League survival.