I sometimes find it hilarious how WWE is just randomly making up numbers and they sometimes get stuck with 2 wrestlers in ring at same time where one is supposed to be 7ft other one like 6ft6-6ft9 yet they are basically same height, so they have to switch camera angles and record from down looking up to hide it.
Show had to be 7ft back in the day, he made 6ft8 Taker and Kane look short, and keep in mind that they had huge lifts putting them at 6ft10 easily, and still at times they seemed 4 or so inches shorter. Show also had lifts in his boots but not as massive as Kane's.
Cena is about 6ft and half, billed at 6ft1, and then Miz is billed at 6ft1 I think yet he is taller than Cena, and then Ambrose is 6ft4 and yet he is basically same height as Miz in some of their segments I've saw. You could say he is slouching but loosing 3 inches is too much. He is 6ft1, Reigns is 6ft2 and Rollins prob 6ft1 max.
Basically if you are 5ft9-5ft11 you are billed at 6ft, not only in WWE but also Hollywood, if you are 6ft you are 6ft2, if you are 6ft2 you are 6ft4, if you are 6ft4-5 you are 6ft7, and then 6ft7+ you are near 7ft, or 7 ft. With shorter guys its easily noticable, because most of people are 5ft10-6ft these days, but when you see guy like Kane, Braun, Taker, Rowan, Nash etc it's hard to guess their height because they are so gigantic.
I work with these 2 guys, one is prob 6ft7 (Hard to guess, but I'm about 6ft and look like child next to him) and guy is 310 pounds he looks fucking huge, and then this other guy is normal weight but he is 6ft9 and basically we all look like kids next to him, and everybody assumes he is 7ft so he gets asked a lot how tall he is. When they stand together you can tell 310 pound guy is bit shorter but if you just see them at diff times this 310 pound guy looks like he is 6ft9+, because he is fucking huge.
Same with Kane, Braun, etc, a lot of people who meet them claim they are from 6ft5-6ft10, when someone is so fucking tall and also 300+ pounds they can either seem shorter because of their width or taller because they are so intimidating.
Anyway, Samoa Joe and Rusev are 5ft11, Ziggler 5ft10, Zayn prob 5ft11, Brian 5ft7-8, Cass about 6ft9, Braun 6ft7-8, Ryback 6ft1, Owens 5ft9-10, Mahal 6ft3, Brock 6ft2, Sheamus 6ft3, Cesaro and Orton about 6ft3-6ft4, Jordan 6ft, Bray Wyatt about 6ft1, etc.