At 63 years old, wasn't sure he'd get another opportunity to be a B.J. Upton Jersey head coach in the NFL. But thanks to the Houston Texans, Smith is back, and he said he has "unfinished busine s.""I think I'm just a football junkie at heart and I love the game," Smith said on ."If I had never gotten back into that seat, I would've been okay. I would've been pretty happy. But at the same time,...