Big Sam's Everton host Jurgen Klopp's Liverpool in the Merseyside derby on Saturday lunchtime.
It is one of the Premier League's great derbies, full of action, passion and talking points and this Goodison Park clash should be no different.
Here we see the ninth-placed Toffees host Liverpool, who are battling with Man United for a runners-up spot.
On the touchline we will see two experienced managers come up against each other, both with very different coaching backgrounds.
Allardyce has various promotions on his CV and has managed the likes of Notts County, Bolton, Newcastle, Blackburn, West Ham, Sunderland, Crystal Palace and Everton.
All-time XIs: Pep Guardiola v Jose Mourinho - Ahead of the Manchester derby, whose side is better?
Klopp has only managed Liverpool in England, after starting out at Mainz before helping Borussia Dortmund to the Bundesliga title and the 2013 Champions League final.
Over the last couple of weeks at Sporting Life we have put together both managers' all-time XIs - and now we want to know whose is best in the ultimate head to head.
Take a look, below, and click the links to see the full articles for the reasons behind players' inclusions before casting your vote via our Facebook page or Twitter.
Read more: Merseyside derby betting tips
Sam Allardyce's all-time XI - click here to read more
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Last updated at 1300 BST 06/04/2018.
