Greg Norman has the fewest career tournament wins with 20+ tournament wins, with 20 tournament wins.
Interpreted as:
Who reached 20 or more pga tour wins the youngest?| NAME | WINS | EVENTS | TOP 10 | ROUNDS | MONEY | ||
|---|---|---|---|---|---|---|---|
| 1 |  | G. Norman | 20 | 835 | 129 | 1,229 | $14,012,818 |
| 2 | | D. Love III | 21 | 2418 | 180 | 2,739 | $44,959,243 |
| 3 |  | T. Watson | 21 | 1094 | 130 | 1,406 | $9,414,928 |
| 4 |  | S. Scheffler | 22 | 159 | 89 | 606 | $130,225,711 |
| 5 |  | D. Johnson | 24 | 587 | 113 | 1,052 | $73,979,212 |
| 6 |  | R. McIlroy | 29 | 346 | 138 | 1,036 | $115,270,187 |
| 7 | | V. Singh | 34 | 1894 | 185 | 2,230 | $71,312,738 |
| 8 |  | P. Mickelson | 45 | 1779 | 198 | 2,273 | $94,798,661 |
| 9 |  | T. Woods | 82 | 1031 | 198 | 1,392 | $120,999,166 |
StatMuse has season-level data for tournament wins going back to the 1980 season.