Arsenal legend, Paul Merson has slammed Chelsea manager, Liam Rosenior after the Gunners defeated the Blues in the Carabao Cup semi-final second leg tie on Tuesday.
Recall that Kai Havertzs second half late goal ensured Arsenal defeated Chelsea to qualify for the Carabao Cup final.
Following the 1-0 loss, Rosenior emphasized the need for Chelsea to focus on improvement after the match.
