Which player was nicknamed "The Splendid Splinter"?

Which outfielder signed a record 15-year, $765 million contract with the New York Mets in December 2024? Which player was nicknamed "The Sultan of Swat"? Which player was nicknamed "The Iron Horse"? Which player was nicknamed "The Yankee Clipper"? Which player was nicknamed "The Say Hey Kid"? Which player was nicknamed "Hammerin' Hank"? Which player was nicknamed "Mr. October"? Which player was nicknamed "Charlie Hustle"?