Arsenal delivered a proper Premier League title contender’s performance on Saturday as they battled to a 2-1 win over Brentford. The Gunners dominated proceedings at the Emirates Stadium and took the lead in the first half, but were then pegged back due to a goalkeeping error. Arsenal set about trying to find the goal to put them in front again, but this proved a laborious task. And at the other end, the Bees had some great opportunities. However, the Gunners finally managed to break down Brentford’s resistance with just four minutes of normal time remaining. Shortly after full time, BBC Sport…