Sentence:  The game was engulfed in controversy when Rodwell appeared to win the ball cleanly in a midfield challenge with Suarez. The tackle drew an angry response from Liverpool's players- Lucas in particular as Suarez <WSD>writhed</WSD> in agony - but it was an obvious injustice when the England Under-21 midfielder was shown the red card. 
Meaning of the word marked with <WSD> tags:  To twist or contort the body; to be distorted.