| 100% | DONLARSEN | 9 | Pitcher of the only no-hitter in World Series history |
| 61% | LARSEN | 6 | Yankee Don who pitched the only no-hitter (a perfect game) in World Series history |
| 53% | MARINER | 7 | Member of the only M.L.B. team never to have played in a World Series |
| 46% | ALOU | 4 | Surname of the only all-brother outfield in M.L.B. history |
| 45% | SOSA | 4 | Last name of the only player in MLB history with three 60-homer seasons |
| 45% | ASTRO | 5 | Member of the losing team in the 2021 World Series |
| 44% | THERESAMAY | 10 | Head of the only government in U.K. history to be found in contempt of Parliament |
| 44% | CHARLIEMORTON | 13 | Winning pitcher of Game 7 of the 2017 World Series (2 wds.) |
| 42% | JKROWLING | 9 | Author of the best-selling book series in history |
| 42% | NEONDEION | 9 | Nickname for the only man to play in a Super Bowl and a World Series |
| 41% | EYE | 3 | "The ___ of the World" (first novel in Robert Jordan's "The Wheel of Time" series) |
| 41% | BERRA | 5 | Catcher in the World Series' only perfect game |
| 41% | YANK | 4 | One of the players on the winning team that played the Braves in the '58 World Series |
| 41% | KAHN | 4 | Soccer player Oliver ___, the only goalie in history to win FIFA's World Cup Golden Ball (2002) |
| 41% | WONKA | 5 | Speaker of the line "You know, no other factory in the world mixes its chocolate by waterfall" |
| 41% | GAME | 4 | "___ of Thrones," TV series that will begin taking the world by storm in 2011 |
| 41% | DODGERS | 7 | Losing team in the only World Series perfect game |
| 40% | MICHAEL | 7 | ___ Schumacher, retired German racer who is the only racer in history to win seven Formula One World Drivers' Championships |
| 40% | THEGOODFIGHT | 12 | CBS All Access series set in the world of a Chicago law firm: 3 wds. |
| 39% | STARTREKPICARD | 14 | CBS All Access series set in the future world of a retired Starfleet admiral: 3 wds. |
| 39% | GILHODGES | 9 | World Series-winning manager of the 1969 New York Mets who was inducted into the Baseball Hall of Fame in 2022 (2 wds.) |
| 39% | MADISON | 7 | Pitcher Bumgarner who was the World Series MVP in 2014 |
| 39% | STEVESAX | 8 | Second baseman in both of the Dodgers' 1980s World Series |
| 38% | MAGLIE | 6 | Losing pitcher in the 1956 World Series perfect game |
| 38% | TYCOBB | 6 | Holder of the highest career batting average in baseball history |
| 38% | THERIO | 6 | World Series of Poker venue in Las Vegas |
| 38% | OMAHA | 5 | Site of the College World Series |
| 38% | OMAHA | 5 | Home of the College World Series |
| 38% | BURJKHALIFA | 11 | "What am I bungeeing off of? Only the tallest building in the world.... Psych!" |
| 37% | HISPANIC | 8 | Like only one member of the Supreme Court in its history (Sonia Sotomayor) |