He played club level rugby union (RU) for Ystradgynlais RFC and Neath RFC, as a Scrum-half, and club level rugby league (RL) for Ystradgynlais RLFC.
He played in two final Welsh trials but lost out on selection to Swansea Scrum Half Haydn Tanner on both occasions.
Thomas also played rugby league for his home village team of Ystradgynlais RLFC in 1949.
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