This week AJ Catanzariti, Jody Maginley and Justin Roberts are in California for the ITF M15 San Diego tournament. They sat down with fellow tennis pro Alex Kotzen to chat about college tennis team dynamics, veganism and skiing.The Weekly Grind is the podcast to listen to if you want to know exactly what it's like to be a pro tennis player looking to train hard, progress each week, and climb the rankings.For more from the guys and to ask them questions for the podcast, comment below and follo...