Roman Catholic cardinals will begin their secret conclave to elect the new leader of the global Church on May 7, the Vatican said, confirming what a source had previously told Reuters.

Catholic cardinals on Monday set May 7 as the start date for the conclave to elect Pope Francis’ successor, delaying the secret voting for two days to help them get to know one another

With 135 cardinals eligible to vote, the coming conclave is set to be the largest in the history of the Catholic Church and one of the most unpredictable in decades.

The St. Louis Cardinals hit the road to face the Cincinnati Reds in the opener of a 4-game series at Great American Ball Park Monday.

Its Monday, April 28 and the Cardinals (12-16) are in Cincinnati to take on the Reds (15-13). Andre Pallante is slated to take the mound for St. Louis against Nick Martinez for Cincinnati. St. Louis comes to Ohio following a successful weekend at home against Milwaukee.