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Reinier de Ridder

✓ Source-basedrising

Dutch mixed martial arts (MMA) fighter

NetherlandsBorn 1990 · age 36

CompareClaim

#186

in the Netherlands

Fame54.4

Momentum15.0

Languages9

In century#46,291

Reinier de Ridder, also known by his initials RdR, is a Dutch professional mixed martial artist. He currently competes in the Middleweight division of the Ultimate Fighting Championship (UFC).

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About this person

Reinier de Ridder, also known by his initials RdR, is a Dutch professional mixed martial artist. He currently competes in the Middleweight division of the Ultimate Fighting Championship (UFC). He previously competed in ONE Championship, where he is a former ONE Middleweight World Champion and ONE Light Heavyweight World Champion. De Ridder was the third two-division champion in ONE history, having previously held the middleweight and light heavyweight belts simultaneously. As of June 20, 2026, he is #15 in the Meta UFC middleweight rankings.

Country

Netherlands

Status

living

Dates

Born 1990 · age 36

Written about in

9 languages

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