Celtic welcome Rangers on September 10 for the first Old Firm game in the Premiership since 2012.
Leicester City's Riyad Mahrez signed a new contract with the club this summer, and Xavi thinks he is good enough to play for Barcelona.
Manchester United take on Northampton Town in the EFL Cup later this month.
Tottenham Hotspur take on the French club next week.
The Celtic coach expects Leigh Griffiths to be fit for the Old Firm derby this weekend.
Karius will hope to be a part of the Liverpool side very soon as he continues his recovery from injury.
The ex Manchester United man believes Manchester City's Sergio Aguero, David Silva and Kevin De Bruyne are the three best players in the Premier League.
The Europa League has a bad reputation as a poor version of the Champions League, but it's provided some memorable stories over the years.
Leeds United brought the young player to the club this summer.
Harry Kane has been praising and embarrassing his teammates whilst reviewing their chances in the Premier League.