London, England (Sports Network) - Arsenal midfielder Abou Diaby will miss three weeks with a thigh injury suffered on Saturday, coach Arsene Wenger said Tuesday.
Diaby, 26, had to leave the 2-1 loss to Chelsea on Saturday in the Premiership with a "thigh strain," according to Wenger. Diaby started five of the Gunners' six league matches this season.
"We lost Diaby, who has a thigh strain," Wenger said. "He is definitely out for three weeks."
Arsenal hosts Olympiacos on Wednesday in the Champions League, and returns to Premier League action Saturday at West Ham.