If a striker's only job is to score goals, then Mikel Merino continues to prove himself. The Spaniard, for the second season running, filled in at the tip of the Arsenal spear to help Arsenal on their way to a fourth straight Champions League victory, this time over Slavia Prague. The game was again won without conceding a goal for the eighth successive match and they have now equalled a record set 122 years ago in 1903. Yet were it not for referee Aliyar Aghayev being sent to the VAR screen to