By Harry Davies Controversial MMA fighter Radek Rousal walked out in a straight jacket before leaving his opponent battered and bruised in a brutal fight. Rousal, 28, is a combat sports veteran who competed in his most recent bout for European MMA promotion OKTAGON MMA on Friday Night. The well-established kickboxer was taking on British fighter Kallum Parker at The O2 Arena in Prague, Czech Republic and he made a profound entrance in front of almost 20,000 fans by walking out with a straight jacket on. Accompanied by a ‘doctor’ and music that described him as crazy, Rousal sported a mean face…