Clinic organizer Shelley Duncan, a native Tucsonan and former MLB player and current coach, addresses the estimated 600 youth players during the 2017 Tucson Youth Baseball Association Experience, a free youth baseball clinic featuring current and former Major League Baseball players, at the Kino Sports Complex, 2500 E. Ajo Way, on Jan. 7, 2016, in Tucson, Ariz. Former Sabino High School star J.J. Hardy, now with the Baltimore Orioles, and University of Arizona basketball player and MLB veteran Kenny Lofton were on hand as coaches. About 600 kids attended. Mike Christy / Arizona Daily Star

The UA’s career home run leader, Shelley Duncan, a Canyon del Oro High School grad, continues his impressive climb up baseball’s coaching ladder. After Duncan managed the Double-A Jackson (Mississippi) Generals to the first-half championship of the Eastern League’s northern division, the parent Arizona Diamondbacks named Duncan a hitting coach for the Arizona Fall League’s Salt River Rafters. Duncan spent the last two seasons managing the Diamondbacks' Single-A affiliate.