yes they do he out grew his mom by two inches take a look through my profile i believ i still have pic since he was a pup until now he still have plenty more growing to do hes not even a year old yet. i think im sticking with the size of him and his mom. breed them back to each other and then dicide there to breed back to his daughter if she carry what both traits and genes of the parent. that when i think im one a role to a better apbt/staff cross. im not headind into the bully i like them but rather working class. champ n his mom hunts with me run and have what ever breeder been searching for in there pet friend or work dog more apbt than staff it seems.