HKFC: School of Hard Knocks 12 was an MMA event held on June 17, 2011 in Calgary, Alberta, Canada. This event was the location of the second professional MMA bout of Ronda Rousey.

Event (UFC Fight Pass at 8 p.m. ET): Michelle Waterson vs. Yasuko Tamada Katja Kankaanpaa vs. Stephanie Eggink Ediane Gomez vs. Tonya Evinger Tara La Rosa vs. Roxanne Modafferi Michelle Ould vs. DeAnna Bennett Peggy Morgan vs. Irene Aldana Charmaine Tweet vs. Veronica Rothenhausler Ashley Cummins vs. Alexa Grasso Jodie Esquibel vs. Jinh Yu Frey Delaney Owen vs. JJ Aldrich

Invicta FC 11: Cyborg vs. Tweet is a mixed-martial events that took place on February 27, 2015. The event was headlined by Cristiane Justino defending her featherweight championship against Charmaine Tweet. Christine Stanley was scheduled to face Emily Corso but Corso withdrew due to injury on January 30 and was replaced by Rachael Cummins. Two days before the event, Cummins withdrew due to suffering an injury in training and was replaced at the last minute by Laura Salazar. DeAnna Bennett was scheduled to face Lynn Alvarez but Alvarez withdrew due to injury on February 11 and was replaced by Norma Rueda Center. Irene Aldana was to face Melanie LaCroix but Melanie withdrew due to injury as well and was replaced by Colleen Schneider.

Invicta FC 17: Evinger vs. Schneider was a mixed martial arts event that was headlined by an Invicta FC Bantamweight Championship bout as champion Tonya Evinger defends against Colleen Schneider. The co-main event will feature Livia Renata Souza defending her Invicta FC Strawweight Championship against Angela Hill. Aline Serrio was scheduled to fight Mizuki Inoue but Mizuki was replaced by Kaline Medeiros due to an injury in training. An atomweight bout between newcomers Tessa Simpson and Julia Jones was scheduled but removed from the card on the week of the event.

INVICTA FC 7 RETURNS TO KANSAS CITY, MO. DECEMBER 7, 2013 LIVE FROM THE AMERISTAR CASINO & HOTEL Barb Honchak vs. Leslie Smith (flyweight title fight) Carla Esparza vs. Claudia Gadelha (strawweight title fight) Lauren Murphy vs. Miriam Nakamoto (bantamweight title fight) Felice Herrig vs. Tecia Torres Joanne Calderwood vs. Katja Kankaanpaa Julia Budd vs. Charmaine Tweet Zoila Frausto Gurgel vs. Vanessa Porto Tonya Evinger vs. Kelly Kobold Nina Ansaroff vs. Munah Holland

Invicta FC 21: Anderson vs. Tweet was a mixed martial arts event that will be headlined by a bout between top featherweight contenders Megan Anderson and Charmaine Tweet competing for the interim featherweight championship. The event was scheduled to feature the MMA debut of undefeated professional boxer Heather Hardy against Brieta Carpenter, however Carpenter pulled out due to injury and the fight was removed from the card. A fight between Leah Letson and former UFC fighter Elizabeth Phillips was added instead. DeAnna Bennett was scheduled to fight Jodie Esquibel but pulled out of the fight and was replaced by Kali Robbins. Esquibel was then set to fight Robbins at a catchweight of 120 lbs but Robbins missed weight and the fight was canceled.