After nearly 15 years, MMA veteran Frank Shamrock announced his retirement to Strikeforce fans. From Pancrase, to UFC, to Strikeforce, Frank Shamrock looks back on his career and forward to the future of the sport.
HT: Showtime Sports
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After nearly 15 years, MMA veteran Frank Shamrock announced his retirement to Strikeforce fans. From Pancrase, to UFC, to Strikeforce, Frank Shamrock looks back on his career and forward to the future of the sport.
HT: Showtime Sports