Complex sentence: Following five knee operations all up Timmins made a remarkable recovery in the 03/04 off season and a return to form saw him represent Australia in the 2004 ANZAC Test against New Zealand.
Split into simpler sentences: Following five knee operations in total, Timmins made a remarkable recovery in the 2003--2004 off-season. His return to form led to selection for Australia in the 2004 ANZAC Test against New Zealand.