The Brisbane Lions have called upon Oscar Allen to replace suspended Ty Gallop on his return from injury to face Carlton. The Blues have regained Harry McKay from a knee injury as they eye an upset to stay in touch with the wildcard places. Rowan Marshall returns from a back spasm for St Kilda in their clash with Sydney on Saturday. Adelaide have lost Wayne Milera and James Peatling to injury, rested Sam Berry and dropped Finbar Maley for their clash with Essendon. Richmond lose Rhyan Mansell for their clash with West Coast, with defender Ben Miller one of four potential inclusions.