The Ghanaian started Thursday’s quarter-final first leg against the Czech Republican side, which eventually ended 1-1.
Arsenal legend Martin Keown has criticised midfielder Thomas Partey over his performance against Slavia Prague in the Europa League.
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Nicolas Pepe opened the scoring for the Gunners in the 86th minute, but the visitors equalised through Tomas Holes in the dying minutes.
Partey struggled to make an impact in the game and was replaced by Mohamed Elneny in the 78th minute.
Reacting to the result of the game, Keown, who played more than 400 matches for Arsenal and won 10 trophies with the club, singled out Partey for criticism.
“Partey, as well, tonight, was another player that really disappointed me,” he said on BT Sport.
“Watching it live here, and we’re not getting into the stadiums that often, he didn’t look like he had the legs to get around the pitch.
“He wasn’t really bossing that midfield, and credit to them, by the way, Slavia Prague because they’ve got lots of good players and made good substitutions.
“But that’s an area of the pitch that I would’ve thought by now, he would be bossing.”
Partey joined the Gunners from Atletico Madrid on transfer deadline day in a deal worth £45 million.