The Gunners had to deal with the non-league side’s artificial surface in their FA Cup tie.
But two goals from Lucas Perez and Theo Walcott ensured Arsenal prevailed 2-0 winners and earned their quarter-final tie against Lincoln.
Surprisingly, star man Sanchez was introduced from the bench with 17 minutes left to play, even though the Gunners had their two-goal advantage.
The Chile international avoided picking up a problem, as did his Arsenal team-mates.
Alexis Sanchez featured at Sutton for a brief run out in Arsenal's 2-0 victory
I don’t think it was a risk
And Wenger has outlined Alexis Sanchez was not in danger, but revealed the sort of players he felt would have been.
“He is a guy who has a strong body,” Wenger said.
“I think on this pitch, it is the guy who does not have good co-ordination, who is heavy on his feet, who is in trouble.
“He is more a guy who has very good co-ordination, light on his feet. I don’t think it was a risk.”
Arsenal's Alexis Sanchez did not appear to have any trouble during his time on the Sutton pitch
Arsenal's FA Cup player ratings against Sutton United
Mon, February 20, 2017
Express Sport brings you Arsenal's player ratings from their FA Cup clash with non-league side Sutton United
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David Ospina – 6.5
Danny Welbeck featured for Arsenal’s Under-23s yesterday and said his knee was not ready to deal with Sutton’s pitch.
Meanwhile, Mesut Ozil was given the night off as he posted a picture on his Snapchat of him on a plane heading for a short break.
Arsenal now have an extended period to regroup and prepare for their crucial next two games at Liverpool in the Premier League on March 4 before Bayern Munich go to the Emirates for their Champions League round of 16 second leg three days later.