I would actually say Andre. If you read personal reports on him his strength was reportedly insane and honestly I think he would be to big and strong to arm bar, leg lock or take down. Although its entirely possible Fedor would just pick him apart standing and knock him out.
"If you get hit and it hurts hit him back you not knocked out yet."-Joe Doerksen
The Toxic Terrors (FFL)
Demetrious Johnson*Eduardo Dantas*Rafael Silva*Zach Makovsky*Michael Page