THIS YORKSHIRE derby is pretty tasty at the best of times – but throw in the fact these two teams are mounting serious title challenges and it just adds to the flavour. This one will be a corker! ONE TO WATCH Samuel Saiz has adjusted to life at Leeds in no time – he’s been superb this season! THESE TWO Portuguese giants have started the season on flames – and this could be viewed as an early title decider. But it’s been nine years since Porto won in Lisbon – can they end that run here? ONE TO WATCH Bas Dost bagged 34 in 31 games for Sporting last term and has kept going this season! RAFA BENITEZ won the Champions League with Liverpool before getting sacked, so he’ll be out to show The Reds what they’re missing. These two have given us some classic clashes over the years! ONE TO WATCH Ex-sunderland midfielder Jordan Henderson will get a frosty welcome from The Toon!