Wilfried Zaha could miss Palace’s FA Cup trip to Watford with calf strain

• Winger doubtful for quarter-final due to injury in training
• Zaha has feisty relationship with Watford players and fansCrystal Palace have potentially been dealt a major blow ahead of their FA Cup quarter-final against Watford after Wilfried Zaha suffered a calf strain in training which could keep him out of the tie at Vicarage Road.While the injury is not considered serious, there is a risk Zaha might aggravate the strain by playing in the sixth-round match on Saturday. Palace are