A player's mental strength, in my opinion, contributes a lot to his consistency & confidence on the pitch especially in big games. (justarsenal.com)
Everything was destroyed last season, leaving confidence on the pitch and off it at an all time low. (avillafan.com)
Wenger makes a good point about believing in himself and I think that although Chamberlain seemed to show a lot of passion and confidence on the pitch last night, there is also a lot of frustration surrounding his game. (justarsenal.com)