Answer:
Casey Stengel is one of most successful coaches in a sport.
Step-by-step explanation:
What made Casey Stengel successful was he won the starting center fielder job. The Dodgers had a new ballpark, and Stengel became the first person to hit a home run there, first an inside-the-park home run against the New York Yankees in an exhibition game to open the stadium, and then in the regular season.