With the Buffalo Bills making the NFL playoffs for the first time since 1999, the Seattle Mariners now own the longest postseason drought in American professional sports.

The Mariners haven't made the playoffs since 2001.

Here are the five longest playoff droughts:

1. Mariners (MLB) - 16 seasons

2. Cleveland Browns (NFL) - 15 seasons

3. Miami Marlins (MLB) - 14 seasons

4. Minnesota Timberwolves (NBA) - 13 seasons

5. Sacramento Kings (NBA) - 11 seasons

-- San Diego Padres (MLB) - 11 seasons