By PAUL REES

If desire to play for England was a factor in selection, Zach Mercer would be one of the first names on the team sheet.
The Gloucester No.8 returned to the Premiership this season after a successful couple of years in the Top 14 playing for Montpellier with the sole intent of adding to the two caps he won in 2018.
The 26-year-old was immediately recalled by England and named in early squads to prepare for the World Cup, but he failed to make the cut for France when only one specialist No.8 was picked.
He started the campaign for Gloucester who opened with victories over Harl...