Riccardo Calafiori believes Arsenal have sent a “clear message” of intent to Manchester City ahead of their Premier League title rivals’ pivotal clash against Everton. Arsenal extended their lead from three points to six with an emphatic 3-0 win over Fulham prior to City’s fixture against Everton at Hill Dickinson Stadium on Monday. Mikel Arteta’s players delivered possibly their best performance of the season so far with Viktor Gyokeres scoring either side of Bukayo Saka’s strike in a ruthless first-half display at the Emirates Stadium. The games continue to come thick and fast for Arsenal with the second leg of their Champions League semi-final against Atletico Madrid at the Emirates on Tuesday. The last-four tie is evenly poised following a 1-1 draw in Spain last week. “It was a clear message,” said Calafiori, who had a goal disallowed for offside. “The crowd was good, the atmosphere was unbelievable.…