US Soccer has confirmed the defender is out of action.
Alex Iwobi was on target in Arsenal’s 2-0 win over Everton.
The Leeds head coach has been discussing the problems the club face in the market.
Southampton and Liverpool will face each other in the Premier League today.
The Canaries beat West Brom 1-0 on Saturday afternoon.
Can Arsenal win the Premier League title this season?
Liverpool face Southampton at St. Mary’s Stadium on Sunday.
Leicester City defeated Crystal Palace 1-0 at Selhurst Park.
Swansea City defeated Aston Villa 1-0.
Arsenal defeated Everton 2-0 at Goodison Park.
The former United youth player backs his old club to snatch the Premier League title from Chelsea's grasp.
HITC Sport understands that the Hammers will turn to the Croatia international if they fail to land other top targets.
HITC Sport understands that the Premier League rivals are to lock horns in pursuit of Napoli and Celtic defenders.