Alexis scored twice after the break to give us a 2-0 victory over Sunderland on Tuesday night.
The Chilean netted his 22nd and 23rd league goals of the season, with Mesut Ozil and Granit Xhaka also impressing.
- 'On the pitch, he becomes a devil'
- Who was our best player against Sunderland?
- See how the team celebrated the win
- Watch Mesut make one special fan's day very special
But who was our best player? Make sure you vote below.
Look out for more polls soon.
Copyright 2019 The Arsenal Football Club plc. Permission to use quotations from this article is granted subject to appropriate credit being given to www.arsenal.com as the source.