This has been covered extensively in another thread. I told them what I'll tell you. 7' athletic is the best center hands down. I get all the contacts, even driving, and i can dominate my match up. I'm just too fast at the 5. My buddy has a 6'10 pure athletic with 70 something speed and HE'S not much faster than me at 63! That means my long legs just cover too much ground. Anyone shorter then me at the 5 gets dominated. I mean, straight brutalized. I'd you're taller than me and NOT rebounding first I'll destroy you on the glass because i can beat you to your spot. If I'm boxing you OUTSIDE the paint, you're not getting the board.
Only times i get dusted or flat out outplayed are when my other big is an AI. If I've got a GUARD boxing at the 4 i could run big at the 5 all day. It's when you DO kick me to the 4?!
All hell breaks loose. As dominant as i am at the 5 I'm tremendous at the 4. I'll be the whole team. I've had most of my 40 point games at the 4.