Bournemouth took advantage of a Watford red card in the first minute to move three points clear at the top of the Sky Bet Championship.
Bournemouth are likely to have Tokelo Rantie available as they look to get back to winning ways against Watford.
Birmingham have rejected a bid of £3.5million from Championship leaders Bournemouth for Demarai Gray.
Eddie Howe felt his side were unfortunate during their FA Cup fourth round defeat at Aston Villa but insisted his Bournemouth side taught a lesson by a ruthless Premier League side.
Aston Villa scored two goals for the first time since early December as they survived a late Bournemouth comeback to win 2-1 and book their place in the fifth round of the FA Cup.
Bournemouth boss Eddie Howe is relishing the FA Cup clash with Aston Villa but is
Carles Gil could make his full Aston Villa debut when they host Bournemouth in the FA Cup fourth round on Sunday.
Birmingham City have rejected a third bid from Sky Bet Championship rivals Bournemouth for winger Demarai Gray, according to Sky sources.