3. Canelo Alvarez vs. Caleb Plant (2021)
In 2020, Alvarez topped the Forbes List of Highest-Earning athletes. The Mexican boxer became a superstar because of his dynamic and aggressive style. He set multiple records on the road to greatness. Several of these occurred in 2021 as he won multiple titles. First, he defeated Billy Joe Saunders in front of the biggest crowd boxing has ever seen (via CNN). He went even further in his next bout.
Canelo fought Caleb Plant for the undisputed super-middleweight championship. This was a glorious moment for the Mexican because it was a chance to seal his legacy. Plant made life awkward for Alvarez but finally suffered a TKO in the 11th round. It was an incredible moment for Alvarez because he became the first fighter to unify the division.