Gryphon Investors-backed Physical Rehabilitation Network, a physical therapy provider, agreed to acquire Rocklin Physical Therapy, a California-based physical therapy clinic. Financial terms were not disclosed. "Rocklin PT founder John Zieour has done an incredible job of establishing the practice as the preferred care hub for high-caliber athletes as well as those injured on the job, so we are eager to build on the team’s successes and to support their leading and affordable injury prevention and management programs," Ajay Gupta, Physical Rehabilitation Network CEO.