Should you push-off the rubber? While discussing Aroldis Chapman's knee injury during the "Lessons from MLB" segment, Joe and Angel visit the debate of how you get from the back leg to the front leg.

In "The Teaching Moment," Angel talks about the dangers of the long-held belief that pitching with pain is normal -- as is commonly reported by many current and former MLB pitchers. She explains how, over the past 30 years, science has developed answers that provide the opportunity to pitch pain-free while also improving performance. Want to know how to get started as a "21st century, pain-free pitcher"? Angel offers five tips.

Finally, in "The Ninth Inning," Joe and Angel explain why you shouldn't post video of your son on Facebook for group feedback.