Both players were included on the bench against Preston on Saturday following injury and came on as late substitutes towards the end of the 1-1 draw at Deepdale.
Saiss, along with Ruben Neves, is just one yellow card away from a two-game suspension for accumulating 10 cautions.
Phil Ofosu-Ayeh (ankle) is still a long-term absentee for the runaway Championship leaders.
Fit-again captain Ivo Pinto looks likely to return to the Norwich starting line-up.
The defender has recovered from a knee problem he sustained when getting out of his car and was an unused substitute for the derby draw with Ipswich on Sunday.
New boys Onel Hernandez and Dennis Srbeny are also pushing for their first starts while on-loan Tottenham midfielder Marcus Edwards (back) may also be in contention for a belated debut.
Matt Jarvis has returned to training after a long-term ankle problem but it is probably too soon for the winger to be considered.
Rangers manager Steven Gerrard is weighing up a move for Liverpool full-back Jon Flanagan, reports claim.
Scottish champions Celtic are reportedly ready to offer full-back Calvin Miller a new deal before sending him out on loan.
Everton target Jack Wilshere has sparked a scramble for his signature after confirming he is leaving Arsenal this summer.
Tottenham's hopes of landing Wilfried Zaha have been hit by the news Crystal Palace have offered him a bumper new deal to stay.
Ryan Giggs says Gareth Bale would be the perfect fit for Manchester United but has doubts over whether he will leave Real Madrid.
Manchester City's attempts to sign Riyad Mahrez could be in doubt again as reports claim Leicester only want a straight cash deal.