Manchester City ignited the Premier League title race with a second-half blitz that sealed a 3-0 win against Chelsea as they closed the gap on leaders Arsenal.Pep Guardiola’s side produced a devastating spell immediately after half-time on Sunday, with Nico O’Reilly and Marc Guehi scoring in the space of six minutes at Stamford Bridge.Recommended Stories list of 4 itemsend of listJeremy Doku wrapped up a statement victory to ensure City took advantage of Arsenal’s shock 2-1 home defeat against Bournemouth on Saturday.Second-placed City are now only six points behind Arsenal with a game in hand, setting up a seismic showdown against the Gunners at the Etihad Stadium on April 19.Having beaten Arsenal in the League Cup final and thrashed Liverpool in the FA Cup quarterfinals, City are hitting form at just the right time.Their bid for a seventh English football title under Guardiola had appeared to be fading after successive draws with strugglers West Ham and Nottingham Forest in their previous two league matches.A disjointed first half against Chelsea suggested City might waste a golden opportunity to pile pressure on Arsenal.But Guardiola’s half-time team talk had the desired effect, and City can now target next weekend’s do-or-die visit from Mikel Arteta’s spluttering team.If City win that blockbuster clash, they will be within three points of Arsenal, who blew substantial leads in the 2023 and 2024 title races, and will have a game in hand, possibly allowing Guardiola’s men to pip them to the trophy.After winning their first four league matches following Liam Rosenior’s arrival from Strasbourg to replace Enzo Maresca, Chelsea have won just one of their …