3. Jonny Wilkinson
The 2003 World Cup hero was linked with a move to the then London club in 2008 with his contract with Newcastle Falcons set to expire.
However, due to his struggles with injury and the emergence of Danny Cipriani, Wasps backed out after being outbid by French side Toulon.
Wilkinson went onto become a club legend in the south of France, , where he won two Heineken Cups and one Top 14 championship in five seasons.