Olympique Marseille coach Jorge Sampaoli has sung the praises of Matteo Guendouzi.

The midfielder is on a season-long loan from Arsenal.

Sampaoli enthused: "Beyond Matteo's youth, he transmits a special energy, due to his will to win.

"He is a natural leader. That he is there is really something very positive for us.

"He has a very contagious energy."