The "cheapest" ball depends on what you are doing. Using a game ball for batting practice is a waste of money, while using a cheap plastic ball for fielding drills won't give realistic hops.
: Standard for senior league play, typically priced around $78.00CAD per dozen. 2. Best Places to Buy Bulk Baseballs for Sale by the Bucket - On Deck Sports
: These often feature synthetic covers and softer cores (rubber/sponge) to reduce injury risk. FORTRESS SR300 Recreational Baseballs Go to product viewer dialog for this item.