As of my knowledge cutoff in September 2021, here are some examples of significant and highly anticipated boxing fights that took place in recent years:


Anthony Joshua vs. Andy Ruiz Jr. (2019): In a major upset, Andy Ruiz Jr. defeated Anthony Joshua to capture the WBA, IBF, WBO, and IBO heavyweight titles in June 2019. Ruiz, a heavy underdog, scored multiple knockdowns to secure a seventh-round TKO victory.


Canelo Alvarez vs. Gennady Golovkin (2017, 2018): These two middleweight superstars engaged in back-to-back fights that captivated boxing fans. Their first encounter in September 2017 ended in a controversial draw, while the rematch in September 2018 saw Canelo Alvarez win by majority decision.


Deontay Wilder vs. Tyson Fury (2018, 2020): The rivalry between Deontay Wilder and Tyson Fury produced two highly anticipated heavyweight clashes. Their first fight in December 2018 ended in a contentious split draw, while the rematch in February 2020 saw Fury dominate Wilder and win by seventh-round TKO to capture the WBC heavyweight title.


Floyd Mayweather Jr. vs. Conor McGregor (2017): This unique crossover bout generated significant attention. Floyd Mayweather Jr., a boxing legend, faced UFC superstar Conor McGregor in a boxing match. Mayweather emerged victorious by TKO in the tenth round.


It's important to note that the boxing landscape is constantly evolving, and new significant fights occur over time. For the most up-to-date information on recent major boxing bouts, it is recommended to consult reliable sports news sources or boxing organizations.