Rays, Yankees, Red Sox Top Final 2021 MiLB Organization Standings

This story has been updated to reflect the end of the Triple-A season.

Rays affiliates ran away with the best combined record in the minors in 2021, while the Yankees, Red Sox, Mariners and Pirates also stood out for their success.

At the other end of the spectrum, the Cardinals finished with the worst combined minor league record in a year where no Cardinals affiliate finished with a winning record.

The following records include all domestic U.S. leagues.

The Rays dominated on the field around the minors in 2021. Tampa Bay had the team with the best winning percentage in the minors—the Florida Complex League Rays went 42-15 (.737 winning percentage). The Rays also had the top team in full-season winning percentage as High-A Bowling Green went 82-36 (.695). The next-best full-season winning percentage was also a Rays team—Low-A Charleston went 82-38 (.683). And the next best in full-season winning percentage was also a Rays team--Triple-A Durham went 86-44 (.662).  In fact the Rays overall .653 winning percentage for all of their minor league teams combined was better that of any of the 116 non-Rays full-season MiLB teams. Kansas City's High-A Quad Cities club went 77-41 (.653) to top the non-Rays clubs, but the Rays overall winning percentage was slightly higher than the River Bandits.

Here's a look at how all 120 full-season MiLB clubs fared this year in order of winning percentage:|

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And here is how each team's complex teams fared: