The highly experienced Matthysse, who has been in and around the world title scene for years, was bang on 147lbs an looked in good shape on the scales. He wasn't ripped or amazingly muscled but he looked powerful and like a fighter who wasn't draining his body to make the Welterweight limit.
The Thai on the other hand was notably lighter, coming in at around 146.4lbs. He looked more drained than Matthysse, yet still looked the naturally bigger fighter, and it seems like he is going to fill out his frame by fight time and rehydrate up quite a bit. Although looking slim around the mid-section he looked good in the face. Interesting he did show some tension at the weigh in, and that could cost him if he goes into the fight with too much nervous energy or too much tension in his body.
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(Image courtesy of Hogan Photos / Golden Boy Promotions)