Free agent and Nigeria captain Musa arrived at Albion’s Walsall training ground recently for medical tests with a view to being offered a deal until the end of the season.
Browsing: Ainsley Maitland-Niles
The versatile 23-year-old, who was also reportedly wanted by Leicester City and Southampton, found first-team opportunities hard to come by under Mikel Arteta during the first half of the season.
The World Cup-winning German had fallen down the pecking order at the Emirates Stadium this season, with Gabriel Magalhaes, David Luiz, Pablo Mari and Rob Holding all preferred by Mikel Arteta.
A 10-man Arsenal suffered a 3-0 Premier League defeat at Leicester City on Sunday in another blow to their hopes of finishing in the top four and qualifying for the Champions League.
Arsenal have now suffered three straight defeats in the Premier League, and it leaves the Gunners sitting in fifth position in the standings, with achieving a top-four spot currently out of their hands
Arsenal have defeated Napoli 2-0 at the Emirates Stadium in the first leg of their Europa League quarter-final tie.
Arsenal striker Pierre-Emerick Aubameyang had team-mate Alex Iwobi creasing with laughter with what he said on the training ground.