caption nationality image article_title name
kenny roberts jr. on the suzuki gsv-r usa american kenny roberts jr 2003 japanese gp.jpg kenny roberts , jr. .
 kenny roberts , jr. .
kenny roberts , jr. .

kenneth leroy roberts junior -lrb- born july 25 , 1973 in mountain view , california -rrb- is a former american motorcycle road racer who won the 500cc road racing world championship in 2000 .
he joins his father kenny roberts , as the only father - son duo to have won 500cc world championships .
