Hearts hope to have Uche Ikpeazu and Peter Haring back from injury when they host Ladbrokes Premiership leaders Rangers.
Defenders Craig Halkett (knee), John Souttar (ankle) and Ben Garuccio (knee), midfielder Jamie Walker (broken leg) and forwards Craig Wighton (knee) and Conor Washington (hamstring) remain on the sidelines.
Attacker Kent has resumed training following a hamstring injury as has full-back Flanagan, who is back from a hernia problem.
Provisional Hearts squad: Pereira, White, Hickey, Berra, Smith, Brandon, Dikamona, Irving, Bozanic, Haring, Whelan, Clare, MacLean, Ikpeazu, Keena, Meshino, Morrison, Doyle, Zlamal.
Provisional Rangers squad: McGregor, Flanagan, Tavernier, Helander, Halliday, Barisic, Edmundson, Goldson, Katic, Davis, Kamara, Docherty, King, Barker, Arfield, Kent, Ojo, Defoe, Morelos, Foderingham, Aribo.