Reservations as well as free seating are also available for March 19, 23, 24, 25 and 26. Guests must have a ticket to gain entry into the BetRivers viewing area during the above dates. Each purchased ticket comes with an all you can eat lunch and dinner buffet for each of the first three days. Reserve your seat for March 16, 17 or 18 at /Pittsburgh. With the start of the biggest men’s college basketball tournament, there’s nowhere better to watch the games. Place your bets and watch every game all in one place - the BetRivers Sportsbook. PITTSBURGH - MaIf you’re feeling lucky this March, head over to Rivers Casino Pittsburgh for the excitement of March Mania, Lenten dining specials, live music, and more. March Mania, Lenten food specials, and more!