The England left-back made a rare start in place of Nacho Monreal.
Grosicki joined Hull in the January transfer window from Rennes.
Arsenal fans furious with their team to face Hull
Sat, February 11, 2017
Express Sport brings you all the best tweets as Arsenal reveal their team to face Hull
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Arsenal fans are not impressed with their side to face Hull
And Wenger revealed he made the decision for tactical reasons.
He said: "Gibbs comes in for Monreal.
Arsenal's Kieran Gibbs
"I think he [Gibbs] is suited to play against Grosicki.
"He's in good shape. Good form in training as well and there's a battle between the two."
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