Mikel Arteta was delighted by Eddie Nketiah making a promising start to his spell deputising for the injured Gabriel Jesus in Arsenal's 3-1 win over West Ham.
Gunners legend Paul Merson said he will be 'shocked' if Arsenal can cope without Jesus as they look to continue their title challenge.
And the hosts fell behind in the first half as Said Benrahma scored from the spot after William Saliba brought down Jarrod Bowen just inside the area.
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