I was going to say Noah too.
Put him on pretty much any team that doesn't have an elite center (so forget the Rockets and Pacers) and he'll make them better.
Imagine Noah on some of these contenders...
Spurs:
C: Noah
PF: Duncan
SF: Leonard
SG: Green
PG: Parker
Heat:
C: Noah
PF: Bosh
SF: LeBron
SG: Wade
PG: Chalmers
Thunder:
C: Noah
PF: Ibaka
SF: Durant
SG: Sefolosha
PG: Westbrook