There are 11 Mike Pierce trading cards tracked on HobbyCardIndex, spanning UFC/MMA. The most valuable is the Mike Pierce [Black] #12 at $5.94 raw.
Source: HobbyCardIndex · Updated daily · https://hobbycardindex.com/players/mike-pierceMike Pierce Cards
11 cards · UFC/MMA
All Mike Pierce Cards
Mike Pierce [Black] #12
$5.94
Mike Pierce [Refractor] #77
$4.49
Mike Pierce [Green] #110
$2.84
Mike Pierce [Flag] #12
$2.19
Mike Pierce [Gold] #21
$2.14
Mike Pierce #77
$0.25
Mike Pierce #110
$0.25
Mike Pierce [Blue] #110
$0.25
Mike Pierce [Gold] #110
$0.25
Mike Pierce #21
$0.25
Mike Pierce #12
$0.25