source: The International Fight League was an American mixed martial arts (MMA) promotion billed as the world's first MMA league.
target: The International Fight League was an American MMA promotion, known as the world's first MMA league.
references: The International Fight League was an American MMA promotion, known as the world's first MMA league. The world's first MMA (American mixed martial arts) promotion was The International Fight League. The International Fight League is the world's first mixed martial arts league. The International Fight League was known as the first American mixed martial arts (MMA) group. The International Fight League was an American mixed martial arts promotion.  It was billed as the world's first MMA league. The International Fight League was an American mixed martial arts  MMA that was the first league. The International Fight League was an American mixed martial arts (MMA) group that is considered the first MMA League. The International Fight League was presented as the world's first mixed martial arts league. The International Fight League was an American promotion that was advertised as the world's first league for mixed martial arts (MMA.) The International Fight League was an American mixed martial arts (MMA) event advertised as the world's first MMA league.