Pep Guardiola’s arrival at Manchester City won’t worry United, declares Chris Smalling

Manchester United defender Chris Smalling insists the Old Trafford outfit are not worried about Pep Guardiola taking over as City boss in the summer.

The Spaniard will take replace Manuel Pellegrini at the end of the season, and comes with a record of success at Bayern Munich and Barcelona.

However, Smalling claims United are unfazed.