Brentford v Birmingham line-ups: two changes as Bees change shape, Blues man out injured
Brentford have brought in Yoann Barbet and Romaine Sawyers for the visit of Birmingham in a switch to a 3-5-2 formation.
Josh Clarke and Sullay Kaikai, who played down the flanks in the 3-2 defeat at Blackburn last time out, are both dropped to the bench.
Barbet is set to play at left wing-back, with Andreas Bjelland moving inside to join Harlee Dean and John Egan at centre-back.
Birmingham also make two changes, with 20-year-old Josh Cogley making his Championship debut at right-back in place of the suspended Jonathan Spector.
Robert Tesche comes into midfield, with Stephen Gleeson failing to overcome a calf injury.
Former Brentford striker Clayton Donaldson returns to Griffin Park up front alongside Lukas Jutkiewicz.
Brentford: Bentley; Dean, Egan, Bjelland; Colin, Yennaris, Woods, Barbet; Sawyers; Vibe, Hogan.
Subs: Bonham, Field, Clarke, Kerschbaumer, McEachran, Kaikai, Hofmann.
Birmingham: Kuszczak; Cogley, Shotton, Morrison, Grounds; Davis, Tesche, Kieftenbeld, Cotterill; Jutkiewicz, Donaldson.
Subs: Legzdins, Robinson, Fabbrini, Adams, Brown, Maghoma, Stewart.