Ok...
I would never use winny. Too much on the joints.
Second, Deca is decectable up to 18months... TERRIBLE idea for a fighters (like myself and 189), that is unless you like being suspended for your althletic commission.
Dude, drop some BF, and rethink your training...
Hell, at 6'2, id like to see someone at that height fight at 205... Not saying there arent dudes who can pull it off, but still not ideal for HW.