Five things we learned from the weekend fixtures, including Chelsea’s Diego Costa and Arsenal’s central midfield frustrations

Swansea City are in safe hands

Plenty of eyebrows were raised when Garry Monk was given the Swansea City job on a permanent basis with no prior managerial experience, but a victory over Burnley at the Liberty Stadium took them to six points out of six from their first two games. Swansea’s theme of evolution no matter who is in the hotseat looks set to continue under their impressive young manager.