A chaotic 13-minute spell from Manchester City in the second half of a six-goal thriller at Everton could prove to be the visitors' undoing in the Premier League title race. Monday's enthralling match was one of the games of the season and the result, following an incredible finale, might well prove pivotal at the end of the campaign. Pep Guardiola's side led 1-0 through Jeremy Doku's fine opener but conspired to fall apart by conceding three times through Thierno Barry's double - one goal gifted by a Marc Guehi error - and Jake O'Brien's header in just 13 minutes. Though Erling Haaland instantly pulled a goal back and Belgium winger Doku earned a point with a stunning late leveller, City ultimately lost ground on leaders Arsenal this weekend. And that means the destiny of the trophy is entirely in the Gunners' hands.…