They used 3 challenges IIRC. Kim/Rayne challenged ODB/EY, RVD challenged Gunner, and for his mandatory title defense, Devon challenged Bischoff Jr for eliminating him last week.
But again, ALL of those are logical matches that would regularly be booked anyway, since they all logically follow from established events. TO TNA'S CREDIT they logically make sense, but still it doesn't make the OFN stipulation night worth it.
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Thank you, Eddie Guerrero.
http://tinyurl.com/73jgc2r