Old videos of Serra brothers fighting
I was looking at Serra's website and on the multimedia section saw a bunch of vids of him and his brother Nick.
Some interviews, submission grappling bouts, Reality Fighting, etc.
The best was a bout of Matt Serra fighting under the full contact no gi Sport jiujitsu rules in the Vanderbilt in NY. Frank Shamrock commentated and it was aired on ESPN. This was before the Serra academy opened, he was a purple belt training at Renzo's in NYC.