Jake Paul left the lopsided loss against former heavyweight champion Anthony Joshua with a shattered jaw and a crushed ego in what amounted to his first fight against a top-level boxer. If Paul had stuck to exhibition bouts against 60-year-olds and power-lacking mixed martial artists, he could have kept that metaphorical gravy train rolling. Instead, the chiding and goading from critics forced a fight that he did not look prepared to handle. Initially, Joshua seemed to take it easy on the former YouTuber. Every round, you'd see a glimpse that he could end the fight whenever he wanted to. The camera even picked up Joshua's smile during the bout, with the knowledge that the next flurry could end Paul's career. Jake Paul | IMAGO / ZUMA Press Wire While the Joshua fight was lucrative and a step up in class, it may not have been the smartest move. Jake Paul shares jaw injury update Paul joined Ariel Helwani to discuss his boxing future, which does not look like a sure thing after the six-round knockout.…