There were plenty of positives for Aston Villa despite their 2-0 defeat to Arsenal on Saturday afternoon. Unai Emery’s side suffered a home defeat at Villa Park, but they went toe-to-toe with the Gunners and could have left with points if they converted their chances. Ollie Watkins was far from his best and should have left with at least one goal to his name, but David Raya’s incredible reactionary save denied him from close range to stop Aston Villa from taking the lead. Second-half goals from Leandro Trossard and Thomas Partey sunk Villa and inflicted their first defeat of the season, but th…