"Karen Alexa Grasso Montes is a highly ranked Mexican professional mixed martial artist known for her championship-winning career in the Ultimate Fighting Championship (UFC). She competes in the women's Flyweight division, holds the title of former UFC Women's Flyweight Champion, and serves as a UFC analyst for Spanish broadcasts."
Karen Alexa Grasso Montes was born on August 9, 1993.
Alexa Grasso began her professional MMA career in December 2012, marking the start of an undefeated streak.
Grasso secured a win by unanimous decision against Ashley Cummins in her Invicta FC debut on September 6, 2014, at Invicta FC 8.
On December 5, 2014, at Invicta FC 10, Grasso continued her winning streak by defeating Alida Gray via TKO in the first round.
Grasso won against Mizuki Inoue on February 27, 2015, at Invicta FC 11 by unanimous decision, earning her the Fight of the Night bonus.
Due to an injury, Grasso had to withdraw from challenging Livia Renata Souza for the Invicta Strawweight Title in September 2015.
On August 11, 2016, Alexa Grasso signed with the Ultimate Fighting Championship.
Grasso won her UFC debut against Heather Jo Clark at The Ultimate Fighter Latin America 3 Finale on November 5, 2016, by unanimous decision.
Alexa Grasso experienced her first professional loss against Felice Herrig by unanimous decision at UFC Fight Night 104 on February 4, 2017.
Grasso, despite suffering from a urinary tract infection, won against Randa Markos at a catchweight bout on August 5, 2017, at UFC Fight Night: Pettis vs. Moreno.
On May 19, 2018, at UFC Fight Night 129, Grasso lost to Tatiana Suarez in the first round via rear-naked choke.
Grasso had to withdraw from her scheduled fight against Angela Hill at UFC Fight Night 135 on July 19, 2018, due to a knee injury.
The fight between Alexa Grasso and Angela Hill at UFC Fight Night 135, initially scheduled for August 25, 2018, was canceled due to Grasso's injury.
A fight planned between Grasso and Marina Rodriguez for UFC Fight Night 144 was postponed on December 17, 2018, due to Rodriguez's hand injury.
The fight between Alexa Grasso and Marina Rodriguez at UFC Fight Night 144, originally scheduled for February 2, 2019, was canceled.
Grasso was replaced by Jessica Aguilar in a fight against Marina Rodriguez at UFC on ESPN 2 on March 22, 2019, due to an injury.
On June 8, 2019, at UFC 238, Grasso secured a victory against Karolina Kowalkiewicz by unanimous decision.
Grasso lost to Carla Esparza at UFC on ESPN+ 17 on September 21, 2019, by majority decision, but received the Fight of the Night award.
Grasso's fight against Cláudia Gadelha at UFC 246 was canceled on January 18, 2020, due to Grasso missing weight. She then moved up to the flyweight division.
The fight between Alexa Grasso and Ji Yeon Kim, initially planned for June 27, 2020, at UFC on ESPN: Poirier vs. Hooker, was postponed due to COVID-19 travel restrictions.
Alexa Grasso emerged victorious against Ji Yeon Kim at UFC Fight Night 175 on August 29, 2020, by unanimous decision.
Grasso defeated Maycee Barber at UFC 258 on February 13, 2021, via unanimous decision.
Grasso was replaced by Taila Santos in a fight against Joanne Wood at UFC Fight Night 198 on November 20, 2021, due to an injury.
The fight between Alexa Grasso and Viviane Araújo, initially scheduled for UFC 270 on January 22, 2022, was canceled due to Araújo's injury.
Alexa Grasso won her fight against Joanne Wood on March 26, 2022, at UFC on ESPN 33 via rear-naked choke in round one.
The fight between Alexa Grasso and Viviane Araújo, scheduled for August 13, 2022, at UFC on ESPN 41, was canceled due to Grasso's visa issues.
On October 15, 2022, Grasso secured a victory against Viviane Araújo at UFC Fight Night 212 by unanimous decision.
Alexa Grasso became the first Mexican UFC women's champion by defeating Valentina Shevchenko for the flyweight title on March 4, 2023, at UFC 285, earning a Performance of the Night bonus.
On June 20, 2023, Alexa Grasso achieved the ranking of #1 in the UFC women's pound-for-pound rankings.
Grasso's first title defense ended in a split draw against Valentina Shevchenko at UFC Fight Night 227 in September 2023.
On February 9, 2024, it was announced that Grasso and Valentina Shevchenko would coach opposite each other on The Ultimate Fighter 32.
At UFC 306 on September 14, 2024, Grasso lost the UFC Women's Flyweight Championship to Valentina Shevchenko by unanimous decision.