There is an assumption that rugby players get better with age before peaking in their late twenties and regressing in their thirties.
The theory goes that players improve with greater experience before their fitness deteriorates and they inevitably get worse.
However, a look back at the best England prospects aged 21 or under from Rugby World in 2011 shows that not every promising youngster is destined for greater things.
#5. Christian Wade
The former winger left Wasps in October 2018 to pursue an American football career, signing with the Buffalo Bills via the International Player Pathway programme. Despite his stellar form with Wasps in the Gallagher. Premiership, the speedster won just one cap for England.