(AP Photo/Tony Avelar) ASSOCIATED PRESSFifteen modern-era players have reached the doorstep of the Pro Football Hall of Fame. Using the Kalshi promo code PENNLIVE, customers can try to predict which players will receive their one-way ticket to Canton, Ohio, for induction. First-time customers can check out our Kalshi promo code review to learn more about trading on the predictive market site. How the Kalshi promo code worksIt is quick and easy to sign up for Kalshi, and customers 18 or older can register in most states. Here is how to get started using the Kalshi promo code PENNLIVE.