You would need two of [link=http://www.hobbycity.com/hobbyking/store/uh_viewItem.asp?idProduct=2166&Product_Name=TURNIG Y_Plush_60amp_Speed_Controller]THESE[/link]as the rating of the motor is 45amp.
If you are going to use the ESC to power the reciver you will have to remove one of the red wires from one speed controler.

Cheers