However, Mikel Arteta seems to be more confident in his first choice Leno despite the superb performance from the Argentine.
He (Martinez) Arsenal third choice goal keeper for couples of season before finally breaking into the top 2.
His opportunity came when Leno was injured against Brighton, and since then Martinez has being in the goal line for Arsenal.
Mikel Arteta on Martinez: “Emi has shown in the last few months what he is able to do for this football club. I am convinced he has the level to play for us consistently at that level. He showed that today in a final, but I cannot stop the speculation [about his future].” according to @afc Stuff on twitter
Aston Villa and Leesa United are monitoring his situation.