Lonnie Soloff
Lonnie Soloff, 51, is beginning his thirteenth season leading Medical Services after spending 10 years as head athletic trainer for the Cleveland Indians. In this role, Lonnie leads the organization’s efforts in research and development pertaining to physical development, performance enhancement and injury prevention while assisting club executives in short-term and long-term injury risk assessments relative to strategic amateur and professional player personnel decisions. Lonnie oversees the organization’s athletic trainers, physical therapists, team physicians, sports scientists and sport psychology teams, supervising injury treatment, rehabilitation systems and physical development at both the major league and minor league levels. Active in teaching orthopedics and baseball sports medicine, Soloff participates in clinical research and lectures. Soloff shared the honor of Major League Athletic Training Staff of the Year Award in 2016 and 2007 and Dick Martin Award in 2007. In addition to serving as American League athletic trainer for the 2012 MLB All-Star game alongside close friend Nick Kenney, Soloff was honored to represent his country working as an athletic trainer with Team USA during their Gold Medal run in the 2017 World Baseball Classic Prior to joining the Indians organization in 2003, Lonnie served as physical therapist from 1999-2002 and assistant athletic trainer in 2003 for the Cincinnati Reds. A member of the NATA and APTA, Soloff began his career in baseball with the St. Louis Cardinals in 1996 as part of the PBATS internship program. A native of New Orleans, Soloff lives in Avon Lake, Ohio with his wife and three children.
Jeff Desjardins
Jeff Desjardins, 52, is beginning his twenty sixth season with the Cleveland Guardians organization. This will be his seventeenth season at the major league level and his third season in the role of Head Athletic Trainer. Prior to being elevated to the major league level in 2010, Desjardins spent 9 seasons as a minor league athletic trainer in the Cleveland Indians Player Development System. He spent three seasons (2007-2009) serving a dual role as the Indians athletic training coordinator and athletic trainer at the club’s Triple-A affiliates in Buffalo, NY and Columbus, OH. In 2005 and 2006, he was the athletic trainer for the Indians AA affiliate in Akron, Ohio. In 2006, he was named the Eastern League Athletic Trainer of the Year and was selected to represent the Indians in the Arizona Fall League. He held the same position in Kinston, NC in 2004 and in Lake County, OH in 2003. Desjardins originally joined the Indians organization in 2001, as the athletic trainer in Burlington, NC and served in that role for two seasons. In 2019, he was selected as the AL Assistant Athletic Trainer for the MLB All Star Game at Progressive Field in Cleveland, OH. In 2016, Jeff shared honors with Lonnie Soloff, James Quinlan and Michael Salazar as “Major League Athletic Training Staff of the Year.” In 2021, Desjardins was voted by his peers to be the American League Assistant Athletic Trainer Representative on the Professional Baseball Athletic Trainers Society Executive Board. A graduate of Plymouth State College in Plymouth, New Hampshire, Desjardins is a certified athletic trainer and a certified strength and conditioning specialist. He went on to complete a master’s degree in performance psychology through National University in 2021, graduating with distinction. He is also an American Red Cross First Aid and CPR for the Professional Rescuer instructor. In 2025, Desjardins was inducted into the State of Maine Baseball Hall of Fame. A native of Gorham, ME., he and his family currently reside in Cleveland, Ohio.
Chad Wolfe
Chad Wolfe, 46, enters his eighth season as the club’s Assistant Athletic Trainer and is entering his 23rd overall season as an Athletic Trainer in the organization. After spending a single season at rookie-level Mahoning Valley in 2004, Chad incrementally increased his time at each level by one year, beginning with Lake County in 2005 (2005-06) and concluding with five campaigns in Triple-A Columbus (2014-18). He spent three seasons in A Kinston, 2007-09, and four in AA Akron, 2010-13. Additionally, he spent two seasons as the Head Athletic Trainer for Aguilas Cibaenas (2012-13) in the Dominican Winter League, was named Carolina League Athletic Trainer of the Year in 2008 and the following year represented the organization in the Arizona Fall League. In 2026, Wolfe was appointed to be the American League Assistant Athletic Trainer Representative on the Professional Baseball Athletic Trainers Society Executive Board. The Graham, NC native earned his graduate and undergraduate degrees from East Carolina University, earning a master’s degree in health education in 2003. He is also an American Red Cross First Aid and CPR for the Professional Rescuer instructor. Chad resides in Macedonia, Ohio, with his wife Sarah and their two children.
Bobby Ruiz
Ruiz, 39, enters his third season as the club’s Assistant Athletic Trainer and is entering his 16th overall season as an Athletic Trainer in the organization. Ruiz spent his first three seasons at then Low-A Lake County (2011-2013), five seasons at High-A Carolina (2014)/Lynchburg (2015-2018), and two seasons AA Akron (2019-2020), before being named the Athletic Trainers Coordinator for three seasons (2021-2023). He represented the organization in the Arizona Fall League in 2014. He also served as an Athletic Trainer with Team Mexico during the Premier12 tournament (2019) with a Bronze Medal finish, as well an Athletic Trainer with Team Mexico during the 2023 World Baseball Classic. Ruiz was named Carolina League Athletic Trainer of the Year in 2017. He earned his undergraduate degree in Athletic Training from the University of La Verne (La Verne, CA), graduate degree in Kinesiology with an emphasis in Exercise Science from the University of Connecticut (Storrs, CT), and completed his Doctor of Athletic Training degree from A.T. Still University (Mesa, AZ). The Corona, CA native currently resides in Buckeye, AZ with his wife Alexandra and their two children.