May 28, 2019 Charlie Tilson’s first career home-run and grand slam! View this post on Instagram So proud of @tilson4 hitting his first career home-run and grand slam!! #resultsdriven #performancetrainingsystems #baseball #grandslam @whitesox first career home run and grand slam for @tilson4! A post shared by Performance Training Systems (@ptschicago) on May 25, 2019 at 11:46am PDT