Indian Premier League cricket tournament, one the world’s richest sporting events, have been sold for a combined $5 billion, according to several reports.The successful bidders have not been named as the auction, which started on Sunday is ongoing and may run to a third day.The TV rights went for $2.72 billion and the digital rights for $2.28 billion, for a five-year deal covering the 2023-2027 tournaments. In both cases the rights packages are limited to the Indian subcontinent.There are two more rights packages on offer – for selected tournament games including the playoffs, only for the Indian subcontinent; and TV and digital rights for the rest of the world.