Chelsea manager Liam Rosenior was left frustrated and disappointed after his side's lackluster performance against Everton. Rosenior's post-match assessment was scathing, as he lamented the mistakes that cost his team dearly. The defeat has raised questions about Chelsea's consistency and ability to compete with the top teams. Rosenior's frustration was palpable, and he knows his team must improve quickly to salvage their season. The loss to Everton was a wake-up call, and Rosenior will be eager to see a response from his players.