Goodnightpublished at 21:52 British Summer Time 27 September 2020
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Messi makes first competitive Barca appearance since trying to leave
Koeman taking charge of Barca for first time in La Liga
Updates - Roma v Juventus, Reims v PSG
Emlyn Begley
That's the end of this live page now. Thanks for joining me today.
Bye now.
Barcelona 4-0 Villarreal
It's all over. The Ronald Koeman era starts with a 4-0 win with Ansu Fati scoring twice and Lionel Messi netting a penalty before an own goal.
Barcelona 4-0 Villarreal
Three minutes added on as Lionel Messi has another shot blocked.
Barcelona 4-0 Villarreal
Miralem Pjanic takes the free-kick and it's over the bar.
Barcelona 4-0 Villarreal
A late free-kick for Barcelona as we enter injury time. Not sure how much of it.
Barcelona 4-0 Villarreal
Villarreal have their first shot on target - in the 89th minute - as Takefusa Kubo's curling effort is stopped by Neto.
Barcelona 4-0 Villarreal
Only five minutes to go now. This game was done at half-time. Lionel Messi goes close again but it's another decent save from the away keeper.
Roma 2-2 Juventus
It's all over. Cristiano Ronaldo rescues Juventus with a double. This was a real wasted opportunity for Roma, who led 2-1 against 10 men.
Barcelona 4-0 Villarreal
Villarreal make a change up front as Carlos Bacca replaces Gerard Moreno.
Roma 2-2 Juventus
A waste of their corner as they concede a free-kick.
Roma 2-2 Juventus
Three minutes added on. Juve have a corner.
Barcelona 4-0 Villarreal
Mario Gaspar shoots over for Villarreal from 18 yards. They haven't had too many chances today. No shots on target.
Roma 2-2 Juventus
Ten-man Juventus are really pushing for a winner now. Danilo's flick-on just fails to find a team-mate. Two mins to go.
Barcelona 4-0 Villarreal
Two Barcelona debuts as Miralem Pjanic and Francisco Trincao replace Antoine Griezmann and Sergio Busquets.
Roma 2-2 Juventus
Cristiano Ronaldo has now scored 450 goals in the top five European leagues.
Barcelona 4-0 Villarreal
Villarreal bring on Real Madrid loanee (and one-time Barcelona youngster) Takefusa Kubo for Samuel Chukwueze.
Roma 2-2 Juventus
Chance for Roma to take the lead with eight minutes to go but Pedro's volley is deflected over the bar.
Barcelona 4-0 Villarreal
Frenkie de Jong gives the ball away for Barcelona but they get away with it.
Barcelona 4-0 Villarreal
Lionel Messi is no Cristiano Ronaldo in the air and he heads wide from Jordi Alba's cross.
Barcelona 4-0 Villarreal
This is Pedri's Barcelona debut. The 17-year-old joined from Las Palmas this summer.