It's hard to have a second when Maradona himself is second. Statistically, Messi is better. Trophy-wise, Messi is better. The only area where they come close is style of play since they are both dribbling playmaking forwards.
[1] https://pbs.twimg.com/media/FkSY4BDWQAEug3L?format=jpg&name=...
[0]: https://acoup.blog/2019/09/20/collections-this-isnt-sparta-p...