“Yn ogystal â bod yn gapten ar ei wlad, mae Gareth Thomas wedi cynrychioli’r Llewod Prydeinig a Gwyddelig, mae hefyd wedi ymgyrchu'n ddiflino ac yn ddewr dros faterion cymdeithasol hanfodol.
“Gareth Thomas has not only captained his country and played for the British & Irish Lions, but also campaigned tirelessly and courageously on vital social issues.