on his biggest challenge 7 to prove the game he loves has caused his dementia. commentator: look at this - alix popham drives for - the line he s there! alix popham s rugby career seemed timed to perfection. as he started playing, the game went professional. he was able to turn his passion into a well paid job. but he says after more than a decade of putting his body on the line, he s paying a high price. so these are the memories, yeah? that one is my last game for wales, against england in 2008, my last game. do you remember the game? no, nothing. i know we won. i ve seen the jerseys with me with my hands