THE ATHLETIC: Topps announces ‘Collector Appreciation Day’ rewards at MLB parks and retail locations

Topps will hold its first ever “Collector Appreciation Day” across the country on Sept. 20, where card collectors can unlock a variety of rewards at several MLB ballparks as well as retailers by simply showing a Topps card.

Fans attending games in New York, Baltimore and Cincinnati can flash cards of the respective home team from any year to unlock free in-stadium food and swag. For collectors not in those cities, Topps has partnered with national retailers that have become more prolific within the hobby in the past year…