Floyd Mayweather, Jr. defeated Andre Berto in what was billed as the final fight of his career. It was yet another lopsided encounter for the pound-for-pound champion as he said farewell to boxing in a bizarre mismatch.THE UNDERCARDIt became clear once this fight was announced that Mayweather vs. Berto would need a strong undercard to attract fans. In a rematch of their early 2015 classic, Roman Martinez and Orlando Salido met in the ring in hopes of recreating their Fight of the Year candidate which saw the Puerto Rican they call "Rocky" raise the title.In other undercard action, WBC mandatory challenger George Groves squared off against super-middleweight titles Badou Jack in a super-middleweight clash. After a first round knockdown, George Groves recovered to win the first half of this highly skillful contest, but Badou Jack's patience and commitment to the body attack would wear down the talented Englishman. The boisterous Englishman would fall short yet again at an attempt to raise a world title.Premier Boxing Champions sunk to a new low this past weekend as the fledgling upstart featured two dangerous mismatches. The controversial and highly adversarial operation continues to ignore boxing fans and attack the media around every corner, yet the Al Haymon led organization paraded and promoted one of the ugliest mismatches in recent boxing history. Peter Quillin and Adonis Stevenson disgraced the sports of boxing this passed weekend, and the Tale of the Tape calls them out on their ridiculous actions.Oscar Valdez returned to action on TruTV's Friday Night Knockouts in a huge step-up bout for the young, highly touted prospect. The young featherweight showed great improvement with elite hand speed and accuracy against the tough veteran Chris Avalos. FOLLOW US on SOCIAL MEDIATwitter:@TheBoxingRant - www.twitter.com/theboxingrant@KennyKeithJr - www.twitter.com/kennykeithjrFacebook: www.facebook.com/SportsRantRadioInstagram:www.instagram.com/theboxingrantGoogle+:www.google.com/+SportsRantRadio1Email:[email protected] 73 of the Tale of the Tape Boxing Podcast is sponsored by BetOnline.ag. Use promo code "BoxingRant" for you 75% sportsbook deposit bonus today, only on BetOnline.ag http://partners.commission.bz/processing/clickthrgh.asp?btag=a_39065b_1596