Historical clue formulations

• Whom The New York Times co-named athlete of the year, with Babe Ruth, in 1920 — 2022-12-30
• "Floating terror" of the sea — 2021-10-10
• Best horse of the 20th century, per The Associated Press — 2020-07-19
• Subject of a 2006 biography subtitled "A Legend Like Lightning" — 2007-04-13
• Racing legend — 2004-10-01
• Early thoroughbred champ — 2003-11-18
• Sports legend with a 20-1 record — 1997-01-25
• Sports legend of 1920 — 1994-02-18