
Greater Western Sydney have overcome the loss of ruckman Kieren Briggs to a "nasty" head knock to open their AFL season with a 52-point hammering of an inaccurate Collingwood.
Star midfielder Finn Callaghan was a dominant figure for the Giants in their hard-fought 15.14 (104) to 6.16 (52) victory in energy-sapping conditions at Engie Stadium on Sunday.