Cristiano Ronaldo leaves Juventus training following injury

Cristiano Ronaldo has been filmed leaving the pitch during Juventus training with an arm injury.

The forward has been the centre of widespread transfer speculation this summer, with reports that he wants to leave Turin most recently being backed up by the fact that he's willing to push for a move to Manchester City before the closing of the window.

In the midst of the uncertainty over his future, the superstar was left out of Max Allegri's starting XI for Juventus' opening Serie A match against Udinese - a decision that was rumoured to be at Ronaldo's request but was later confirmed to be Allegri's decision, by Allegri. The Old Lady eventually drew 2-2 having seen the Portuguese's 95th minute header ruled out for offside.

And his week hasn't got much better. On Wednesday, Goal released a video showing the five-time Ballon d'Or winner walking off the training pitch with what they confirmed to be an arm injury.

The severity of the injury is not yet known and whether he'll be ready for the weekend - whether as a Juventus player or otherwise - is uncertain.

Despite his wish to depart the Allianz Stadium, Ronaldo will likely not be a Man City player come the end of this summer's transfer window. They, along with long-term suitors Paris Saint-Germain, have ruled themselves out of making a move for the 36-year-old this month.

Juve will not stand in Ronaldo's way should an acceptable offer arrive before the end of the transfer window, and have set an asking price of around £30m.

However, his mammoth £900,000-a-week wages are proving a stumbling block to any side willing to take Juventus up on that offer, and it's unlikely that Ronaldo will leave Turin before the deadline.