| 100% | ORR | 3 | Bruins' NHL player who was the only defenceman to ever score nine hat tricks |
| 55% | ORR | 3 | Bruins' Bobby, only NHL defenseman to ever score nine hat tricks |
| 43% | WILT | 4 | ___ Chamberlain, American basketball player who is the only player to score 100 points in a single NBA game |
| 41% | LUSIA | 5 | ___ Harris, former WNBA player who was the first and only woman ever to be officially drafted by the NBA |
| 39% | WILT | 4 | Chamberlain who is still the only person to ever score 100 points in an NBA game |
| 37% | ROD | 3 | Laver who is the only player to achieve a tennis Grand Slam twice |
| 37% | SAMUELCHASE | 11 | Founding father who is the only Supreme Court justice to have ever been impeached |
| 37% | NOMO | 4 | Pitcher Hideo who is the only Japanese MLB player to throw two no-hitters |
| 37% | SUE | 3 | Bird who is the only player to win WNBA titles in three different decades |
| 37% | SUE | 3 | Point guard Bird who is the only player to win WNBA titles in three decades |
| 36% | DIANA | 5 | Taurasi who was the first WNBA player to score more than 9,000 points |
| 35% | STEFFIGRAF | 10 | Tennis player who is the only player (man or woman) to win a Grand Slam and Olympic gold medal in one year: 2 wds. |
| 35% | LARRYNANCE | 10 | Phoenix Suns player who was the first player to ever win the NBA Slam Dunk Contest in 1984: 2 wds. |
| 35% | BEP | 3 | ___ Guidolin, former NHL player who holds the record of being the youngest player to play his first NHL game at only 16 years, 337 days |
| 35% | GENE | 4 | Upshaw who is the only NFL player to go to the Super Bowl in three different decades with the same team |
| 34% | JIMMYCONNORS | 12 | Tennis great who is the only player to win the US Open Men's Singles championship on three different surfaces (2 wds.) |
| 34% | WAYNEGRETZKY | 12 | Edmonton Oiler and LA King who was the NHL's MVP nine times from 1980 to 1989: 2 wds. |
| 34% | MARTINSTLOUIS | 13 | Former Lightning captain who is the third-most recent NHL player to win the Art Ross Trophy twice: 3 wds. |
| 34% | SIDNEY | 6 | With 33-Across, Penguins captain who is the second-most recent NHL player to win the Art Ross Trophy twice |
| 33% | EDDIESHORE | 10 | Boston Bruin who was the NHL's MVP four times from 1933 to 1938: 2 wds. |
| 32% | KOBEBRYANT | 10 | LA Lakers legend fondly remembered as "Black Mamba" who is the only player in NBA history to have two jersey numbers retired by the same team: 2 wds. |
| 32% | SOSA | 4 | Sammy who is the only player with three 60-homer seasons |
| 32% | CONNORMCDAVID | 13 | Oilers captain who is the most recent NHL player to win the Art Ross Trophy (for most points in the regular season) twice: 2 wds. |
| 32% | ADLER | 5 | Irene who was the only woman to outwit Sherlock Holmes |
| 32% | JACKIESTILES | 12 | 2016 Women's Basketball Hall of Fame inductee who was the first Division I player to score over 1,000 points in a season: 2 wds. |
| 31% | SHIELDS | 7 | Claressa who is the only American boxer to win consecutive Olympic gold medals |
| 31% | OREE | 4 | Willie who was the first black player in the NHL |
| 31% | ELISE | 5 | Stefanik who is the youngest woman ever elected to Congress |
| 31% | VIOLA | 5 | Actress Davis who is the only Black performer to achieve the Triple Crown of Acting |
| 31% | PATRICKROY | 10 | Former Montreal Canadiens goaltender who has 551 wins and is the only player in NHL history to win the Conn Smythe trophy thrice: 2 wds. |