Who is Stan Grossman known for in the field of professional sports? (Advanced)
#1: Being a renowned sports agent
#2: Founding a major sports network
#3: Coaching a championship-winning team
#4: Writing sports biographies
What significant contribution did Stan Grossman make to the development of sports management in the United States? (Expert)
#1: Establishing the first sports agency
#2: Founding a professional sports league
#3: Creating a player representation organization
#4: Writing influential sports management textbooks