Taylor Fritz hasn't been able to make headlines on the tennis court of late, as he has been sidelined for several months because he's trying to manage chronic tendinitis in his knee. However, that hasn't stopped the 28-year-old from making headlines off the court. This is due to his long-term relationship with influencer Morgan Riddle ending last month. The couple officially split up at the end of June, after rumors had been surfacing that they were no longer together earlier in the month. Riddle has since moved to New York City and appears to be acclimating to her new home, while Fritz has remained in Los Angeles, seemingly in preparation for Roland Garros next week. Taylor Fritz and Morgan Riddle | IMAGO / Hasenkopf But just because Fritz is recently out of a relationship doesn't mean he's not staying active socially.…