Germany legend Lothar Matthäus believes that Toni Kroos will be the key player for the national side as they bid to retain their World Cup title this summerThe 28-year-old has just recently won his fifth Champions League title after Real Madrid’s 3-1 win against Liverpool in Kiev last month and has become an integral member of the Spanish giants in his four years at the club.Matthäus, who won the 1990 World Cup with Germany, believes that Kroos can inspire the national team to retain their world title at Russia.“I think at this moment a key player is Toni Kroos,” Matthäus told the Bundesliga website.Top 5 Bundesliga players to watch during the weekend Tomás Pavel Ibarra Meda – September 11, 2019 With the international activity cooling down for the next month, we go back to the Bundesliga’s Top 5 players to watch next weekend.The German…“He’s won the Champions League four times. Three times in a row with Real Madrid. One time before with Bayern. I think he’s full of confidence. He’s coming to the tournament and he’d like to show that it’s not only possible to win titles with Real, he will win with the German team too. He can make the difference.”The 57-year-old welcomed the return of captain Manuel Neuer, who he rates as the “best goalkeeper in the world”.“We have good attackers. We have pretty much the best goalkeeper in the world [Manuel Neuer],” he said. “I think the team has good balance and good options from the bench, and this makes Germany one of the favourites.”Germany are in Group F and will face Mexico in the opening game of their World Cup campaign on Sunday.