Tennessee star second baseman Christian Moore took to Instagram on Friday to say goodbye to his teammates, coaches and the Tennessee fanbase following a three-year career in the Orange & White that ended with a national championship in June. “I don’t really know where to begin. These last 3 years have changed my life. Thank you to this amazing coaching staff for believing in me, taking a chance on a kid that should have never been in this situation,” Moore began. “Trusting me to lead a team and allowing me to be me. I will forever be grateful for all the long talks, countless hours of work and…