COOPERSTOWN, N.Y. — Everywhere you stroll in this little town, everywhere you look, every word you hear, is all about Mariano Rivera. You can buy $110 Rivera jerseys, or $25 Rivera posters.

Mariano Rivera, the greatest closer of all time, became the first unanimous Hall of Fame selection on Tuesday. Rivera was named on all 425 ballots cast to earn election to the Hall of Fame with ...