Follow live commentary of the Manchester derby here.
14:21 CET - Half-time in Manchester and there's nothing to separate the two sides after an absorbing opening 45 minutes.
The hosts, under interim boss Michael Carrick, have given a good account of themselves, hitting the bar early on through Harry Maguire before seeing goals from Amad Diallo and Bruno Fernandes ruled out for offside.
As for City, their best opportunity fell to young defender Max Alleyne, but his header was thwarted by Senne Lammens.
14:05 CET - Serie A leaders Inter Milan travel to Udinese this afternoon at 15:00 CET, with the Nerazzurri looking to extend their lead at the summit to six points.
13:46 CET - It's been a frantic opening quarter-hour at Old Trafford, with Harry Maguire hitting the bar from close range and Diogo Dalot escaping a red card for a high challenge on Jeremy Doku.
13:30 CET - The Manchester derby has just kicked off! Follow the action with our live audio commentary via the link above, or stay tuned here for all the goals from Old Trafford.
12:50 CET - Shortly after the Manchester derby kicks off, Real Madrid are also in action, hosting Levante in LaLiga. Now, that might sound like an easy task for Alvaro Arbeloa's men, but don't forget that Los Blancos were stunned by second-tier Albacete on Wednesday! The pressure is very much on.
The big team news is that Kylian Mbappe is back in Real Madrid's starting XI today.
Follow that match with Flashscore here.
12:30 CET - The lineups are in for today's massive Manchester derby! Take a look at the starting XIs below.
The big news from Old Trafford is that new manager Michael Carrick has put his stamp on Man Utd by picking a back four, bringing in AFCON returnees Bryan Mbeumo and Amad Diallo, and sticking with Kobbie Mainoo in midfield.
For City, Pep Guardiola has had to continue with a very young centre-back pairing of Max Alleyne and Abdukodir Khusanov. New signing Antoine Semenyo starts once again.
You'd have to say, due to their injuries, it's a good time to face City. However, they are also undefeated in 13 matches!
11:30 CET - Good morning and welcome to this weekend's Football Tracker as we look ahead to a huge couple of days!
The action gets underway in a couple of hours with the small matter of the Manchester derby, as Michael Carrick's United side host title-chasing City, with both sides desperate for three points.
Read our in-depth preview of the clash here.
Elsewhere, Bundesliga leaders Bayern Munich travel to RB Leipzig in a heavyweight tussle at 18:30 CET this evening, while Arsenal, Real Madrid, Liverpool and Inter Milan are also taking to the field on a jam-packed Saturday.
Here are today’s standout matches:
Manchester Utd vs Manchester City - 13:30 CET
Real Madrid vs Levante - 14:00 CET
Udinese vs Inter Milan - 15:00 CET
Tottenham vs West Ham - 16:00 CET