this is quite common happen even have a teammate like mascherano/tevez/lampard/makelele
first u need to up ur body turning and fallback, then conjunction with the runner (runner should receive the ball aredi, and you just in time block his path to deliver the cross to the center), try to pressure him (just form a wall in front of him), he either try to
- dribble pass u (which unlikely happen because almost out of field), - ---- back pass to their backup(usually LB), and that time it should be your LM do the marking,
- dive...