Cameron Smith is expected to sign off on a one-year extension and become the first player to reach 400 NRL games rather than ride off into the sunset with good mate Billy Slater.

You'd consider it: Cameron Smith has hinted at pulling the pin after the grand final. Credit:AAP

Smith had the rugby league world baffled when he suggested after Friday night's emotional victory – and Slater's last game at AAMI Park – that he could pull the pin next Sunday if Melbourne went back to back.

The man regarded as the best player of all time has already dropped one bombshell earlier in the season when he quit representative football on the eve of the Origin series.