Canberra Raiders halves Aidan Sezer and Blake Austin have both been ruled out for 4-6 weeks following injuries in their Round 1 win over Penrith.

Sezer, who joined the Raiders from the Titans in the off-season, fractured his left eye socket during the match and is expected to return in Rounds 5-7.

Austin, who was a late inclusion in the starting line-up against the Panthers after being named on the bench, did some medial ligament damage in his knee and is also expected to return in Rounds 5-7.

Read the full Canberra Raiders injury report here