I hope Lyon passes me on all-time wickets list: McGrath

Nathan Lyon became only the third Australian to take 500 Test wickets during the Perth Test. (Richard Wainwright/AAP PHOTOS)

Legendary paceman Glenn McGrath is hoping Nathan Lyon surpasses him as Australia's second-most prolific Test wicket-taker, declaring records exist to be broken.

And McGrath believes the veteran off-spinner has it in his power to usurp Shane Warne at the top of the tree by the end of his Test career.