Arsenal legend, Thierry Henry has commended Jadon Sancho for battling through his mental struggles at Manchester United and producing a remarkable individual performance in Borussia Dortmund’s 1-0 victory over Paris Saint-Germain in the Champions League semi-final first leg on Wednesday. Sancho was a constant menace on the pitch, proving to be a thorn in PSG’s side and creating numerous opportunities throughout the game. Niclas Fullkrug’s 36th-minute strike put Dortmund ahead of next week’s game in Paris. Despite missing a golden opportunity to add to his side’s tally during the match, Sancho’…