Today is the anniversary of Ken Griffey Sr. and Ken Griffey Jr.’s back-to-back home runs. What a great opportunity to learn from a powerful father and son team. Not only did Ken Griffey Sr. and Ken Griffey Jr. both play in the MLB, they played on the same team and on Sept. 14, 1990 had back-to-back home runs. In celebration of their success, let’s learn one strategy parents can use to have a positive influence on their child athletes.