Ibrahimovic comes on as AC Milan sub after signing six-month deal
Champions Juventus beat Cagliari thanks to Ronaldo hat-trick
First treble in Serie A for Portuguese forward
6 January is public holiday in Italy - hence daytime games
Emlyn Begley
Juventus 0-0 Cagliari
Aaron Ramsey seems keen on a goal today. Ragnar Klavan - who definitely didn't handle the ball a minute ago having seen a replay - half-clears to the Welshman, whose 20-yarder is wide.
Juventus 0-0 Cagliari
Juventus want a penalty for a possible Ragnar Klavan handball. But the referee is having none of it.
AC Milan 0-0 Sampdoria
Samporia have only won three of their 11 games under Claudio Ranieri.
Claudio Ranieri v Zlatan Ibrahimovic. In 2020.
Juventus 0-0 Cagliari
Juan Cuadrado lays the ball off to Cristiano Ronaldo and his shot is blocked. But then the offside flag goes up. They let those play on in case they end up in a goal and VAR can make the decision.
Juventus 0-0 Cagliari
Aaron Ramsey pokes a cheeky shot over the bar from the edge of the box. He's scored two goals in 13 Juventus games so far.
Fifth-placed Atalanta are leading Parma 1-0. Alejandro Gomez has scored their ninth Serie A goal from outside the box this season. Only Inter Milan have managed as many.
#bbcfootball
Russell Gowers: Any bets against Zlatan coming on and bagging a screamer? The man would be world class even with a Zimmer frame
To be honest, I'll be more surprised if he doesn't come on and score a stunner
AC Milan 0-0 Sampdoria
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AC Milan 0-0 Sampdoria
The first player booked in the game is Milan midfielder Rade Krunic for a foul on Gaston Ramirez.
Juventus 0-0 Cagliari
Juventus are turning up the pressure now. Aaron Ramsey crosses and Cristiano Ronaldo's shot is blocked.
AC Milan 0-0 Sampdoria
Only one half-chance at San Siro so far as Milan's Theo Hernandez had a shot blocked from outside the box.
Juventus 0-0 Cagliari
Aaron Ramsey isn't happy. Adrien Rabiot crosses and Ramsey volleys wide. But Blaise Matuidi got in the Welshman's way, blocking a clear shot at goal.
Juventus 0-0 Cagliari
Juventus have a free-kick 35 yards out. Cristiano Ronaldo steps up. And blasts it into the wall. Classic.
Juventus 0-0 Cagliari
Former Chelsea man Juan Cuadrado is making his 250th Serie A appearance today.
The only Colombian players to manage more are Ivan Cordoba (323) and Cristian Zapata (291).
Juventus 0-0 Cagliari
Juan Cuadrado's cross goes in between Blaise Matuidi and Cristiano Ronaldo and Alex Sandro blasts well over the bar from the edge of the box.
AC Milan 0-0 Sampdoria
Zlatan Ibrahimovic won the Serie A Golden Boot in his last season in Italy, netting 28 times for Milan in 2011-12.
Since then he has become Paris St-Germain's all-time top scorer - winning three Ligue 1 golden boots - scored 28 goals in his first season with Manchester United and netted 52 goals in 53 starts for LA Galaxy.
AC Milan 0-0 Sampdoria
The camera pans to Zlatan Ibrahimovic, who looks relaxed on the Milan bench. He's signed a six-month deal with the option to extend for another year.
He says he'll stay so long as he thinks he's capable of performing well for the club next season.
Juventus 0-0 Cagliari
Juventus haven't created much yet as Juan Cuadrado, who seems to be a right-back these days, overhits a cross to Cristiano Ronaldo.
#bbcfootball
Any thoughts on these games or Zlatan in general, just tweet #bbcfootball.
Juventus 0-0 Cagliari
The supremely talented although erratic Radja Nainggolan is in Cagliari's midfield today. Always a pleasure to watch.