[ACG2x]

NCAA Tournament
Since the tournament expanded to 64 teams, there has never been a year where all four #1 seeds have made the Final Four.

NFL
Despite having one of the most heralded defenses in NFL history, the 2000 Super Bowl champion Baltimore Ravens finished only six total yards allowed (which is what the NFL uses to measure defensive rankings) ahead of their divisonal rival the Tennessee Titans.

The Ravens allowed 4,145 total yards (259.1 YPG) to the Titans (259.4). The Ravens also bested the Titans in total points allowed by just 26 (191-165, a difference of 1.6 PPG).

NBA
The Celtics new "Big Three" in Paul Pierce, Kevin Garnett and Ray Allen have played a total of 34 seasons in the NBA. The three combined have zero NBA Finals appearances and only three Conference Finals appearances (one each).