The in-form playmaker is one of 17 first team squad members away on international duty over the next 10 days.
On their return, we have eight matches remaining as we bid for a place in the top four of the Premier League and an FA Cup semi-final date against Manchester United over the weekend of 20-21 April.
Christian struck twice as we booked our place in the last four with a fine 3-0 win against Swansea on Saturday.
That took his tally to 13 goals in all competitions as we've recovered from a hit against Juventus with a 4-0 win at Bournemouth and now 3-0 win at the Liberty Stadium.