Marcus Beyer was a three-time WBC world Super Middleweight Champion, engaged in 14 world title fights over a 7 year period. He fought several world titleholders, such as:

Mikkel Kessler
Richie Woodhall
Glenn Catley
Eric Lucas
Danny Green
Cristian Sanavia
Sakio Bika

He lost only three fights - all against world titleholders.

Rest In Peace