No. 1 LHP and PG All-American Jackson Ferris (@jackson54092679) checks in from @IMGABaseball to talk velocity spikes, pitch grips, and what you’d better not be wearing when you meet his father! Check the full interview on PG Weekly on t.co/O5mXzraqI7 at 12:30 ET! t.co/P8RUy0DepS