Have you ever ruined a player's career??

This is such an interesting thing for me and I once did it with a player who was such a pain in the ass for the dressing room.. I bought him for big money (comparatively in the league and for the club) and he used to skip training and stir up the dressing room.. I eventually omitted him outta the squad, made him play with U21 players while putting him on double physical intensity training all season and making sure he was tired everytime he came to training, and I was hopeful he will get an ACL which ended up happening... Now his contract ran out and he is still a fee agent due to his injuries and ofc, his unrealistic contract demands....