https://www.google.com/amp/s/www.marketwatch.com/amp/story/the-fan-who-caught-shohei-ohtanis-50th-home-run-ball-could-make-500-000-2ddc5893
I'd hold out for
a million minimum
Probably more, given it MAY ALSO BE the best single game by one player in MLB history"The fan who caught Shohei Ohtani's 50th home-run ball could make $500,000 -"