West Ham's Michail Antonio could be involved after missing the FA Cup game with Kidderminster having been on international duty with Jamaica.
Manager David Moyes is expected to restore the first-team players that did not start that match.
Watford have top scorer Emmanuel Dennis available again after suspension.
Peter Etebo is nearing a return, but Nicolas Nkoulou is out and Ismaila Sarr is not yet back after Senegal's success in the Africa Cup of Nations final.
MATCH FACTS
Head-to-head
- West Ham have won the past four Premier League meetings, scoring at least three goals in each victory.