Ian Wright and Roy Keane are both in agreement over the outcome of Aston Villa’s Premier League clash against Chelsea on Saturday evening. Mauricio Pochettino’s side head to the West Midlands looking to bounce back from their damaging defeat to Arsenal on Tuesday. As for Villa, Unai Emery’s men are six points clear of Tottenham Hotspur in the race for Champions League football. With a fourth-place finish required to book passage into Europe’s elite competition, nothing less than three points will be acceptable on Saturday night. Roy Keane and Ian Wright both agree on Aston Villa v Chelsea outc…