Rugby League Top 10: Imports

The signing of overseas players hasn't always meant adding quality to the competition, but this list of the very best certainly did. Although it's fair to say some made much more of an impact than others. For instance, the 'greatest player of all-time', Andrew Johns, made just three appearances for Warrington at the end of the 2005 season, and couldn't lead them to silverware. In the 1980s it was…