One of the stipulations of PA law is that each online sportsbook must partner with a land-based casino. One of the earliest movers across the US, Pennsylvania legalized sports betting in 2017, with retail sportsbooks opening in November 2018, followed by the online launch in May 2019. Few states compare with Pennsylvania’s population in terms of their passion for sports, and this is reflected in the Keystone State widely embracing legal sports betting.