, Download the MyBuona Rewards app and register a new account to win a FREE 5" BUONA BEEF when the Cubs score in the 6th inning (APPLIES TO HOME GAMES ONLY). The free Buona Beef offer will be credited to your registered MyBuona Rewards App for use the next day. Your MyBuona account must be registered by MIDNIGHT (no later) after the qualifying game. Limit 1 per account. OFFER NOT VALID AT WRIGLEY FIELD.
I opened the myBuona app, and saw that I was eligible for a free 5" beef the day after the Cubs score in the 6th inning. It seems to apply the entire season. I haven't registered a new account, so I'm not sure what that stipulation refers to.