On This Day: GSP vs Matt Serra | #OnThisDay in 2007: Was this the BIGGEST upset in UFC history?! Matt Serra knocked out GSP! 😳 | By UFC | Facebook
On This Day: Matt Serra SHOCKS Georges St-Pierre! | #OnThisDay in 2007: Matt Serra SHOCKED the world as he beat Georges St-Pierre! | By UFC | Facebook
![Witness the BIGGEST MMA UPSET Ever: Georges St-Pierre vs Matt Serra 1 Highlights! #ufc #punch - YouTube Witness the BIGGEST MMA UPSET Ever: Georges St-Pierre vs Matt Serra 1 Highlights! #ufc #punch - YouTube](https://i.ytimg.com/vi/OjorVPjOe3w/maxresdefault.jpg)
Witness the BIGGEST MMA UPSET Ever: Georges St-Pierre vs Matt Serra 1 Highlights! #ufc #punch - YouTube
MMA Fighting on X: "Georges St-Pierre vs Matt Serra 2 full fight video #ufc83 https://t.co/L6Jv8qDX5y https://t.co/eNq1kGESFy" / X
On This Day: Matt Serra shocks the world against GSP 🤯 | #OnThisDay in 2007: Matt Serra schocked the world by upsetting GSP at UFC 69! | By UFC | Georges 'Rush'
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