Thanks for these replies! I am surprised to have so many so soon!
I was told by my brother's girlfriend that the leg problem is normal, but it seems as if none of you have heard of this! I think I will take him to the vet and let you all know ...

I inherited a bulldog business from my brother who passed away--he left 7 puppies! I don't know very much, but we sold one and the lady brought him back because she said she took him to the vet and the vet said he has a loose joint in his front leg-...