| 100% | KAREEM | 6 | ___ Abdul-Jabbar, basketball player who became the first sophomore to make the Parade All-America Boys Basketball Team |
| 52% | JAMES | 5 | LeBron ___, basketball player who became the first sophomore to be crowned "Ohio Mr. Basketball" |
| 39% | KAREEM | 6 | ___ Abdul-Jabbar, basketball player who won the MVP 6 times between 1971 to 1980 |
| 39% | EALA | 4 | Alexandra ___, tennis player who became the first Filipina to reach the WTA Top 100 |
| 35% | BECKER | 6 | Boris ___, German former tennis player nicknamed "Boom Boom" who became the first German to win the Wimbledon singles title in 1985 |
| 35% | SHERYLSWOOPES | 13 | Basketball Hall of Fame inductee who was the first player to sign with the WNBA: 2 wds. |
| 34% | WAYNE | 5 | ___ Gretzky, former ice hockey player who became the first and only player to total over 200 points in one season |
| 34% | LISALESLIE | 10 | Basketball Hall of Fame inductee who was the first player to dunk in a WNBA game: 2 wds. |
| 34% | JOHNMADDEN | 10 | Football player turned broadcaster who was the first one to have worked for all of the "Big Four" TV networks: 2 wds. |
| 33% | ALBERTPUJOLS | 12 | St. Louis Cardinals first baseman who became the 32nd player to join the 3,000-hit club on 5/4/2018: 2 wds. |
| 33% | XXXXXXXX | 8 | Like a poker player who keeps getting everyone to fold before the first bet is made? |
| 32% | TEBOW | 5 | Former quarterback Tim who was the first sophomore to win the Heisman Trophy |
| 32% | TEBOW | 5 | Tim who was the first sophomore to win a Heisman |
| 31% | WHITSON | 7 | Peggy ___, American astronaut who became the first woman to command the International Space Station in 2007 |
| 31% | SHOHEIOHTANI | 12 | Japanese MLB player who was the first player in history to be a pitcher and hitter in the All-Star Game, in 2021: 2 wds. |
| 31% | ROALD | 5 | ___ Amundsen, Norwegian explorer who became the first person to reach the South Pole on 14th December, 1911 |
| 31% | STEVENASH | 9 | Basketball Hall of Famer who was the first Canadian to win the NBA MVP award |
| 31% | VALENTINA | 9 | ___ Tereshkova, cosmonaut who became the first woman to fly in space in 1964 |
| 31% | GIBB | 4 | Bobbi, who in 1966 became the first woman to run the entire Boston Marathon |
| 31% | MARGARETCOURT | 13 | Australian tennis player who was the first woman to win the Grand Slam in the Open Era: 2 wds. |
| 30% | PUNTER | 6 | Football player who kicks the ball downfield to the opposing team |
| 30% | BILLRUSSELL | 11 | Basketball great who became the first African-American head coach in the NBA in April 1966 (2 wds.) |
| 30% | DOROTHYARZNER | 13 | “The Bride Wore Red” director who was the first woman to join the Directors Guild of America |
| 30% | GINNI | 5 | She is an American business leader who became the first woman to head tech giant IBM |
| 30% | EILEEN | 6 | ___ Collins, American astronaut who became the first woman to command a space shuttle mission in 1999 |
| 30% | MIGUELCABRERA | 13 | Detroit Tigers first baseman who became the 33rd (and most recent) player to join the 3,000-hit club on 4/23/2022: 2 wds. |
| 30% | ABLE | 4 | Monkey who became the first to return to Earth successfully in 1959 |
| 30% | BRYANT | 6 | Kobe ___, former Los Angeles Lakers player who was the first guard to play 20 seasons in NBA |
| 30% | 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. |
| 30% | LAIKA | 5 | Dog who became the first living being to orbit the Earth in 1957 |