Yes, why not. All data will be safe.
thank you andrei, can we delete data?
my best regards
What do you want to do?
If you want to completely reset your site, use any reset plugin from WP repo
rest just the plugin please
1) You should remove manually all plugin Custom Post Type instances: Players, Clubs, Matches, Competitions, Stadiums, Staff, Referees, and so on. Remove them like regular WordPress posts.
2) Then remove plugin taxonomies: seasons and leagues.
3) Check plugin statistical tables (started with anwpfl). Truncate them if they have any data after step 1 and 2.
Create DB backup before starting !!!
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