Live Scores Schedule Players Stats Rankings Money Leaders Photo Wire On TV Gear Instruction Daily Spin Forums More Fitness Travel Blogs Podcast Video Features Ticker Classifieds Newsletter Signup Subscribe to TENNIS Back Issues Home       About Justin diFeliciantonio       Contact        RSS Categories       Archive About Justin diFeliciantonio Justin diFeliciantonio test-drives and reviews the latest racquets, shoes and tennis technology—and answers your queries about equipment—in The Pro Shop. Midweek Mailbag: Junior Racquets, Hybrid Tensions, Grip Changes Gear Talk: Janko Tipsarevic Midweek Mailbag: Cooked Strings, Drop Weights, Gloves Djokovic Splits with Sergio Tacchini Racquet Science: The Inch That Changed Everything Gear Talk: Ron Rocchi Midweek Mailbag: Curved Strings, Thin Beams, and Sweaty Swings This blog has 242 entries and 3203 comments. More More Video Daily Spin