Record of 34-2-1 and was ranked the #6 Junior Lightweight in the world by the WBO when Adrien Broner KOd him.
Record of 28-2-1, was WBC Lightweight Champion, and was ranked #1 Lightweight  in the world by RING Magazine when Adrien Broner KOd him.
Record of 32-4, was WBA Welterweight Champion and a 2x Champion overall, and was ranked the #4 Welterweight in the world when Adrien Broner beat him.
Record of 19-1, former Champion, and was 1 fight removed from losing the same title he was facing Adrien Broner for (WBA Junior Welterweight Champion) when Broner KOd him.
Anyone else?
Let's see:
Daniel Ponce De Leon: record of 41-2, 2x Champion...KOd by Broner.
Jason Litzau: record of 28-2, ranked #4 by WBC and #9 by RING Magazine at Junior Lightweight....KOd by Broner.
Eloy Perez: record of 23-0-2, ranked #9 Junior Lightweight by RING Magazine...KOd by Broner
Gavin Rees: record of 37-1-1, ranked #1 by WBC, #2 by WBA, #5 by WBO, and #6 by RING Magazine at Lightweight....KOd by Broner.