Ainsley Maitland-Niles has now been sent off twice in the Premier League in 2019; the first Arsenal player to receive multiple red cards in the competition in the same year since Laurent Koscielny in 2013 (also two).
Moreover, no player has been sent off more times in the Premier League since the start of last season than Ainsley Maitland-Niles.
Red card vs. Leicester
Red card vs. Aston Villa