Which #2 ranked 125-pound female fighter and competitor in the Invicta Fighting Championships flyweight division did Barb Honchak defeat?
Vanessa Porto
Barb Honchak
Barb Honchak (born August 30, 1979) is an American professional female mixed martial artist.
 She is the first Invicta FC Flyweight Champion.
 She has four wins in the Invicta FC promotion and holds notable victories over Vanessa Porto, Roxanne Modafferi, Leslie Smith and Felice Herrig.
Vanessa Porto
Vanessa Alessandra Teixeira Porto (born March 16, 1984) is a Brazilian mixed martial artist and amateur boxer who competes in the Invicta Fighting Championships flyweight division.
 She is currently the #2-ranked 125-pound female fighter in the world according to the Unified Women's MMA Rankings.
Sarah D'Alelio
Sarah D'Alelio (born December 13, 1980) is a professional mixed martial artist.
 She competes in the 135-pound women's bantamweight division for Invicta Fighting Championships and has also fought for Strikeforce. Women's mixed martial arts
While mixed martial arts is primarily a male dominated sport, it does have female athletes.
 Female competition in Japan includes promotions such as DEEP Jewels.
 Now defunct promotions that featured female fighters were Valkyrie, and Smackgirl.
 Professional mixed martial arts organizations in the United States that invite women to compete are industry leader Ultimate Fighting Championship, the all female Invicta Fighting Championships, Resurrection Fighting Alliance, Bellator Fighting Championships, and Legacy Fighting Championship.
 Now defunct promotions that featured female fighters were Strikeforce and EliteXC. Invicta Fighting Championships
Invicta Fighting Championships, also known as Invicta FC, is an American professional mixed martial arts (MMA) promotion for female fighters based in the United States.
 It was founded in 2012 by Janet Martin a former VP with MMA organization Blackeye Promotions and Shannon Knapp, who held positions at various levels, including executive positions with King of the Cage, World Fighting Alliance, International Fight League, Affliction Entertainment, UFC, and Strikeforce.
 It has a strategic partnership with fellow Japanese MMA promotion Jewels. Jennifer Maia
Jennifer Maia (born October 6, 1988) is a Brazilian female mixed martial artist who competes in the Flyweight division.
 Maia trains at the legendary Chute Boxe Academy in Brazil.
 She is currently signed with Invicta Fighting Championships. Alexis Davis (fighter)
Alexis Davis (born October 4, 1984) is a Canadian mixed martial artist competing in the Ultimate Fighting Championship (UFC).
 She is a black belt in both Japanese Jujutsu and Brazilian Jiu-Jitsu.
 She is also a Canadian Open grappling champion.
 Davis at one point was the #9-ranked pound-for-pound female mixed martial arts (MMA) fighter in the world by MMARising.com and the #5-ranked 135-pound female fighter according to the Unified Women's MMA Rankings.
 In April 2015, she was the #3 ranked woman in the official UFC women's bantamweight rankings. Tonya Evinger
Tonya Evinger (born June 4, 1981) is an American mixed martial artist.
 She previously competed for EliteXC, Raging Wolf and Invicta Fighting Championships, and was the Invicta Bantamweight Champion.
 She is currently signed to Ultimate Fighting Championship (UFC). Sijara Eubanks
Sijara Eubanks (born April 27, 1985) is an American professional mixed martial artist who currently fights in the women's flyweight division of the Invicta Fighting Championships. Julia Berezikova
Julia Berezikova (Russian: Юлия Березикова , "Julija Berezikova" ; born (1983--) 17, 1983 ) is a Russian female mixed martial artist and boxer.
 She is currently the #7-ranked 125-pound female fighter in the world according to the Unified Women's MMA Rankings.