The Celtics play the first of two preseason games on Tuesday night and John Karalis is joined by Boston.com's Tom Westerholm to discuss things they're looking for from the rookies, the Williamses, and Jayson Tatum and Jaylen Brown. - Support Us By Supporting Our Sponsors! - Built Bar - Built Bar is a protein bar that tastes like a candy bar. Go to builtbar.com and use promo code “LOCKEDON,” and you’ll get 20% off your next order. - BuiltGo - Visit BuiltGO.com and use promo code “LOCKED,” and you’ll get 20% off your next order. - Headspace - You deserve to feel happier, and Headspace is meditation made simple. Go to Headspace.com/lockedonnba for a FREE ONE-MONTH TRIAL with access to Headspace’s full library of meditations for every situation. - Theragun - Try Theragun for THIRTY-DAYS. Go to Theragun.com/LockedOn RIGHT NOW and get your Gen 4 Theragun TODAY. - Learn more about your ad choices. Visit podcastchoices.com/adchoices