Arsenal confirmed the signing of Brayden Clarke on Saturday, and it hasn’t taken long for U-18s manager Jack Wilshere to be impressed by the defender. The Wales youth international joined from Wolves on Saturday morning with Clarke immediately named in Arsenal’s U-18s starting XI against Crystal Palace, where the Gunners came out 8-3 victors. One of the best results of the season for Arsenal’s academy sides, Clarke caught the eye in his first game for the club, an impressive feat given how recently the signing was officially announced. Jack Wilshere praises Brayden Clarke after Arsenal debutAn…