In his 50s, former New Zealand Māori, Super Rugby and NPC prop Orcades Crawford is still playing senior rugby for his club Clive in Hawke's Bay. Photo / Neil ReidIn his 50s, former New Zealand Māori, Super Rugby and NPC prop Orcades Crawford is still playing senior rugby for his club Clive in Hawke’s Bay. Photo / Neil Reid

With front-rowers becoming harder to find, some are suggesting that scrums may need to be de-powered at the highest levels of club rugby. Photo / PhotosportWith front-rowers becoming harder to find, some are suggesting that scrums may need to be de-powered at the highest levels of club rugby. Photo / Photosport

A big man on the burst. Front-rowers in club rugby have always been hard to stop – now they are hard to find. Photo / Lewis GardnerA big man on the burst. Front-rowers in club rugby have always been hard to stop – now they are hard to find. Photo / Lewis Gardner

Former University prop John Afoa (with ball in hand) was reportedly earning $1 million per season in Europe more than 10 years ago. Photo / Richard RobinsonFormer University prop John Afoa (with ball in hand) was reportedly earning $1 million per season in Europe more than 10 years ago. Photo / Richard Robinson