| 100% | PITTSBURGHPIRATES | 17 | Loser in the first World Series, 1903 |
| 58% | STOLEHOME | 9 | What Jackie Robinson did, famously, in the first game of the 1955 World Series |
| 57% | SWEEP | 5 | Win the first four games in a World Series, e.g. |
| 57% | RAYS | 4 | Losers to the Dodgers in the 2020 World Series |
| 52% | REDSOX | 6 | Winner of the first World Series (as the "Americans") |
| 50% | ENOS | 4 | Slaughter in the 1946 World Series |
| 49% | URUGUAY | 7 | Country that won the first World Cup in Soccer |
| 49% | URUGUAY | 7 | Country that won the first World Cup in 1930 |
| 49% | LOSERS | 6 | Astros, in the 2021 World Series |
| 48% | COLORADO | 8 | & 16D MLB team that reached their first World Series in 2007 |
| 48% | SWEEP | 5 | Win the first four World Series games |
| 48% | ASTRO | 5 | Dodger opponent in the 2017 World Series |
| 48% | DET | 3 | SFO opponent in the 2012 World Series |
| 48% | ASTRO | 5 | Dodger beater in the 2017 World Series |
| 48% | ASTRO | 5 | Winning player in the 2022 World Series |
| 47% | BERRA | 5 | Catcher in the World Series' only perfect game |
| 47% | HATH | 4 | Verb in the world's first telegraph message |
| 47% | PLANE | 5 | Commercial aircraft; the first one flew in 1903 |
| 47% | MAGLIE | 6 | Losing pitcher in the 1956 World Series perfect game |
| 47% | REDS | 4 | Winning team in the "Black Sox Scandal" World Series |
| 47% | DODGERS | 7 | Losing team in the only World Series perfect game |
| 47% | URUGUAY | 7 | Country hosting the first FIFA World Cup in 1930 |
| 47% | NIHAO | 5 | "Hello," in the world's most common first language |
| 46% | EYE | 3 | "The ___ of the World" (first novel in Robert Jordan's "The Wheel of Time" series) |
| 46% | JAMESBOND | 9 | Dr. No was the first film in this spy series |
| 46% | NETSCAPE | 8 | Loser to Explorer in the first browser war |
| 46% | PADRES | 6 | Losers to the Yankees in the 1998 Series |
| 46% | ARI | 3 | Winner over NYY in the 2001 World Series |
| 46% | PADRES | 6 | West Coast team in the 1998 World Series |