 Complete the following phrase:  Rohit Sharmas five centuries in the 2019 tournament are the most by a player in a single tournament. Sangakkara scored four centuries in the 2015 tournament, while four players Waugh 1996, Ganguly 2003, Matthew Hayden 2007 and Warner 2019 have scored three centuries in a single tournament. Irelands Kevin OBrien holds the record for the fastest century 50 balls. In 1992, Andy Flower of Zimbabwe making his ODI debut in a World Cup scored a century. In the 2015 tournament 38 centuries were scored, while the 