James Tomkins suffered a dislocated shoulder in training . The 25-year-old defender could miss the rest of the season . Manager Sam Allardyce will call on Carl Jenkinson to deputise . Winston Reid and Cheikhou Kouyate are also unavailable against Arsenal .
James Tomkins suffered a dislocated shoulder in training . The 25-year-old defender could miss the rest of the season . Manager Sam Allardyce will call on Cheikhou Kouyate to deputise . Winston Reid and Carl Jenkinson are also unavailable against Arsenal .