WATCH | When Richard Hill absolutely destroyed Tana Umaga

England flanker Richard Hill puts in a big hit on New Zealand centre Tana Umaga during the match at Twickenham in November 2002.

RANKED | The 10 fastest players in the Premiership

Speed is key in modern rugby. Whether it be defenders recovering to win a last-ditch tackle or attackers hitting teams on the counter, we are constantly told that 'there is no substitute for pace'.

10. Semi Radradra (Bristol Bears) - 19.08mph

9. Gabriel Ibitoye (Harlequins) - 19.12mph

8. Anthony Watson (Bath Rugby) - 19.95mph

7. Ratu Naulago (Bristol Bears) - 20.91mph

6. Ollie Thorley (Gloucester Rugby) - 21mph

5. Charles Piutau (Bristol Bears) - 21.47

4. Joe Cokanasiga (Bath Rugby) - 22.36mph

3. Louis Rees-Zammit (Gloucester Rugby) - 22.59mph

2. Stuart Hogg (Exeter Chiefs) - 22.86mph

1. Jonny May (Gloucester Rugby) - 23.5mph