| Player | Team | Pos | Dev | Age | HGT | WGt | Injury | Length |
|---|---|---|---|---|---|---|---|---|
| Derwin James Jr | LAC | SS | X-Factor | 27 | 6'2'' | 215 | 1 | |
| Andre James | LV | C | Normal | 26 | 6'4'' | 300 | 1 | |
| Jermar Jefferson | DET | HB | Normal | 23 | 5'10'' | 209 | 1 | |
| Justin Jefferson | MIN | WR | X-Factor | 24 | 6'1'' | 195 | 4 | |
| Quinton Jefferson | CHI | DT | Normal | 30 | 6'4'' | 291 | 2 | |
| Van Jefferson | PIT | WR | Star | 27 | 6'1'' | 200 | 1 | |
| Teven Jenkins | CHI | LG | Star | 25 | 6'6'' | 321 | 1 | |
| Raymond Johnson III | SF | LE | Normal | 24 | 6'3'' | 270 | 1 | |
| Paris Johnson Jr | ARI | LT | ?? | 22 | 6'6'' | 313 | 1 | |
| Alexander Johnson | BAL | MLB | Star | 31 | 6'2'' | 255 | 1 | |
| Antonio Johnson | JAX | SS | Normal | 21 | 6'3'' | 195 | 1 | |
| D'Ernest Johnson | JAX | HB | Normal | 27 | 5'10'' | 208 | 1 | |
| Fred Johnson | PHI | LT | Normal | 26 | 6'7'' | 326 | 1 | |
| Jaylon Johnson | CHI | CB | Star | 24 | 6'0'' | 196 | 4 | |
| Juwan Johnson | NO | TE | Star | 26 | 6'4'' | 231 | 2 | |
| Taron Johnson | BUF | CB | Normal | 27 | 5'11'' | 192 | 1 | |
| Zion Johnson | LAC | LG | Star | 23 | 6'3'' | 316 | 1 | |
| Quentin Johnston | LAC | WR | ?? | 21 | 6'4'' | 215 | 1 | |
| Shaun Jolly | LAR | CB | Normal | 24 | 5'9'' | 180 | 1 | |
| Kingsley Jonathan | BUF | LE | Normal | 25 | 6'4'' | 260 | 1 | |
| Velus Jones Jr | CHI | WR | Normal | 26 | 6'0'' | 200 | 1 | |
| Benito Jones | MIA | DT | Normal | 25 | 6'1'' | 329 | 1 | |
| Broderick Jones | PIT | RT | ?? | 22 | 6'5'' | 311 | 1 | |
| Caleb Jones | GB | LT | Normal | 24 | 6'9'' | 370 | 1 | |
| Chris Jones | KC | DT | X-Factor | 29 | 6'6'' | 310 | 1 | |
| DaQuan Jones | GB | DT | Normal | 31 | 6'4'' | 320 | 4 | |
| Jonathan Jones | NE | CB | Star | 29 | 5'10'' | 190 | 1 | |
| Jaden Davis | DAL | CB | Normal | 23 | 5'9'' | 182 | 1 | |
| Josh Jones | BAL | LG | Normal | 26 | 6'7'' | 310 | 1 | |
| Keandre Jones | WAS | MLB | Normal | 25 | 6'3'' | 220 | 1 | |
| Marcus Jones | DET | CB | Star | 24 | 5'8'' | 175 | 1 | |
| Travis Jones | BAL | DT | Star | 23 | 6'4'' | 334 | 1 | |
| Truman Jones | KC | LE | Normal | 23 | 6'3'' | 250 | 1 | |
| Brevin Jordan | HOU | TE | Normal | 23 | 6'3'' | 245 | 1 | |
| Sebastian Joseph-Day | TEN | DT | Star | 28 | 6'4'' | 310 | 1 | |
| Khalid Kareem | CHI | LE | Normal | 25 | 6'4'' | 268 | 2 | |
| George Karlaftis | KC | LE | Star | 22 | 6'4'' | 263 | 1 | |
| Ted Karras | CIN | C | Normal | 30 | 6'4'' | 310 | Partial MCL Tear | 8 |
| Travis Kelce | KC | TE | X-Factor | 33 | 6'5'' | 250 | 1 | |
| Kyu Blu Kelly | WAS | CB | Normal | 22 | 6'0'' | 192 | 1 | |
| Ryan Kelly | IND | C | Star | 30 | 6'4'' | 307 | 1 | |
| Arden Key | TEN | LOLB | Star | 27 | 6'5'' | 240 | 1 | |
| Devon Key | DEN | FS | Normal | 25 | 6'0'' | 208 | 1 | |
| Zonovan Knight | DET | HB | Normal | 22 | 5'10'' | 209 | 1 | |
| Kader Kohou | MIA | CB | Star | 24 | 5'10'' | 195 | 1 | |
| Jonathan Kongbo | BUF | LOLB | Normal | 27 | 6'5'' | 255 | 1 | |
| Malcolm Koonce | LV | RE | Normal | 25 | 6'2'' | 250 | 2 | |
| Cooper Kupp | LAR | WR | X-Factor | 30 | 6'2'' | 208 | 1 | |
| Tyler Lacy | JAX | RE | Normal | 23 | 6'4'' | 285 | 1 | |
| Quentin Lake | CLE | SS | Normal | 24 | 6'1'' | 201 | 1 |
*Player in red means team needs to resign him.
*You can only compare a max of 5 players.