Originally posted on 05/21/2019:

here were the division leaders in 2018 on may 21st

boston (won division)
cleveland (won division)
houston (won division)

atlanta (won division)
milwaukee (won division)
colorado (wild card)

so ALL 6 DIVISION LEADERS made the playoffs, and 5 of them won the division... go back to 2017 and the only team that led the division on may 21st and didn't end up in the playoffs was milwaukee