Despite some of these international star players receiving call-ups for the Lions – some twice – they never appeared in a test match for the famous touring side.
1. Stuart Hogg (Scotland)
Despite being called-up by Warren Gatland for the last two tours, the current Scotland captain is yet to win a test cap.
In 2013, Hogg was the youngest player in Australia while his tour of New Zealand four years later his tour was ended prematurely by a stray elbow from teammate Conor Murray. The 28-year-old will hope to put this right in 2021.
DId you know? is father, John, played as a championship winning full-back for Hawick before becoming a rugby referee and his brother, Graham, played for Scotland 7s in the IRB Sevens World Series as well as representing Scotland at three different age grades.