"Martinelli time" - Many Arsenal fans react to journalist's injury update
Nelson, 19, underwent a scan on Friday and has returned to London Colney after being sent home by England U21s head coach Aidy Boothroyd.
The academy player has had a significant role in Arsenal’s first-team this season, featuring six times and scoring one goal for the Gunners.
Nelson missed three games last season while on loan at the German side Hoffenheim with respective thigh and back injuries.
But the 19-year-old will now step ...