Ivan Toney scored a deserved equaliser as Brentford left Arsenal with a draw that could blow the Premier League title race wide open.Leandro Trossard's first goal for Arsenal had given them the lead in a game where they toiled for large periods, with Toney nodding in a leveller to earn the Bees a 1-1 draw and extend their unbeaten league run to 10 games.Arsenal had lost at struggling Everton last week and could only follow that up with a share of the spoils here, leaving them six points clear of Manchester City.Their main title rivals, though, host Aston Villa on Sunday before travelling to the Emirates Stadium on Wednesday night for a game which could prove pivotal. FULL MATCH DETAILS Mikel Arteta stuck with the same starting XI that had been turned over at Goodison Park and they struggled for creativity as Brentford wasted a host of opportunities to take the lead.The opening half-hour saw Arsenal labour in attack and struggle defensively, Rico Henry missing a fine early chance for Brentford before Bryan Mbeumo tucked home only to see his strike ruled out for the merest of shirt pulls.Toney hit the crossbar when he should have broken the deadlock as the visitors started in the vein of a team on a nine-game unbeaten league run.Brentford had plenty of men behind the ball, relying on their strikers when they could get forward as Toney worked Aaron Ramsdale with a strike from distance.Arsenal's first effort of note came just moments before the break, Granit Xhaka heading down a Ben White cross into the path of Gabriel Martinelli, who could only fizz a shot narrowly over the top.The Gunners were sharper after the interval, Bukayo Saka and Martin Odegaard drawing saves out of David Raya as two of their shining lights of the