Arsenal are without first-choice goalkeeper Wojciech Szczesny and back-up David Ospina for the Champions League game against Anderlecht, the
Szczesny is suspended after he was sent off in the 4-1 win over Besiktas while Ospina is suffering from a thigh injury, which means Martinez is in line for a first Champions League appearance. The Gunners go into the game in second place in Group D with three points from their first two games, trailing Borussia Dortmund, who have won two out of two.
Martinez hasn’t featured for the Arsenal first team since the 7-5 League Cup win over Reading a year ago and last season spent time on loan at Championship side Sheffield Wednesday. The Argentine joined Arsenal from Independiente in 2010.
The 22-year-old has made only two appearances for the Arsenal first team, played a single game while on loan at Oxford and has represented his country at Under-17 and Under-20 level.
Ospina moved to Arsenal from Nice after appearing for Columbia at the World Cup but has started only once under Arsene Wenger, in the League Cup, as well as coming on against Besiktas when Szczesny was dismissed.
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