Description: Pick any single season team from MLB history, and twist any player on their roster. Season Four’s Sub-Theme is “NL Rivals.” 6 Cardinals & 6 Cubs teams will fill one league; 6 Dodgers & 6 Giants teams will fill the other. You are allowed to select one “hero” to improve your roster. A “hero” must come from the same franchise as the team you have selected, and cannot have a salary over $9,999,999. No DH, no clones, no WW, no AAA, no trades. $110M salary cap.