(I do not think Mustafi is good enough mentally and technically, and has to rely on guile and grabbing to stop opposing wingers / wingbacks. (justarsenal.com)
He's not the strongest defender though, but what he lacks in strength, he compensates with his pace which allows him to keep up with opposing wingers. (justarsenal.com)
For some strange reason, Monreal tucks into his defensive line so exaggeratedly that it becomes easy for opposing wingers and full backs to outmaneuver him. (justarsenal.com)