| April | May | June | July | August | September | Season-to-Date |
| Back to Team Rankings | Mike O | Casey S | J&P G | Terry | Ron | Alan | Walter | Bill | Joe |
| Est. Value | Average | AB | Homers | Runs | RBI | Runs Prod | Steals | |||
| 1B | Anthony Rizzo (3)** | CHC | 0.97 | 0.340 | 103 | 7 | 15 | 17 | 25 | 2 |
| 1B | Joey Gallo (5) | TEX | 0.93 | 0.294 | 85 | 8 | 19 | 19 | 30 | 0 |
| 1B | Ryan McMahon (16) | COL | 0.32 | 0.278 | 54 | 2 | 6 | 8 | 12 | 1 |
| 2B | Neil Walker (14)** | NYY | 0.46 | 0.214 | 84 | 6 | 11 | 13 | 18 | 0 |
| 2B | Yoan Moncada (17) | CHW | 0.35 | 0.212 | 99 | 4 | 11 | 12 | 19 | 0 |
| 2B | Ozzie Albies (18) | ATL | 0.29 | 0.245 | 110 | 1 | 13 | 5 | 17 | 2 |
| SS | Marcus Semien (8)** | OAK | 0.65 | 0.282 | 103 | 4 | 18 | 10 | 24 | 2 |
| SS | Jean Segura (12) | SEA | 0.51 | 0.315 | 92 | 1 | 9 | 7 | 15 | 5 |
| SS | Ketel Marte (16) | ARI | 0.23 | 0.259 | 85 | 1 | 10 | 3 | 12 | 1 |
| 3B | Matt Carpenter (3)** | STL | 0.94 | 0.262 | 103 | 9 | 22 | 16 | 29 | 2 |
| 3B | Maikel Franco (13) | PHI | 0.46 | 0.244 | 90 | 5 | 8 | 13 | 16 | 1 |
| 3B | Miguel Sano (14) | MIN | 0.44 | 0.204 | 93 | 6 | 13 | 12 | 19 | 0 |
| 3B | Jake Lamb (24) | ARI | 0.00 | 0.000 | 0 | 0 | 0 | 0 | 0 | 0 |
| C | J.T. Realmuto (6)** | MIA | 0.36 | 0.202 | 89 | 3 | 9 | 14 | 20 | 2 |
| C | Robinson Chirinos (8) | TEX | 0.25 | 0.189 | 53 | 2 | 7 | 11 | 16 | 0 |
| OF | Mookie Betts (5)** | BOS | 1.12 | 0.353 | 102 | 4 | 25 | 14 | 35 | 6 |
| OF | Nelson Cruz (14)** | SEA | 0.79 | 0.270 | 100 | 8 | 14 | 19 | 25 | 0 |
| OF | Lorenzo Cain (15)** | MIL | 0.77 | 0.356 | 104 | 2 | 19 | 4 | 21 | 5 |
| OF | Juan Soto (22) | WAS | 0.59 | 0.255 | 98 | 3 | 19 | 14 | 30 | 0 |
| OF | Michael Conforto (23) | NYM | 0.56 | 0.236 | 110 | 5 | 17 | 14 | 26 | 0 |
| OF | Ender Inciarte (30) | ATL | 0.51 | 0.286 | 98 | 3 | 7 | 15 | 19 | 1 |
| OF | Kyle Schwarber (39) | CHC | 0.40 | 0.235 | 85 | 5 | 10 | 8 | 13 | 1 |
| OF | Lewis Brinson (62) | MIA | 0.00 | 0.000 | 0 | 0 | 0 | 0 | 0 | 0 |
| Back to Team Rankings | Mike O | Casey S | J&P G | Terry | Ron | Alan | Walter | Bill | Joe |
| Est. Value | Wins | Losses | Saves | ERA | Games | Starts | Innings | WHIP | K's | |||
| SP | Carlos Carrasco (4)** | CLE | 1.27 | 4 | 2 | 0 | 1.8462 | 6 | 6 | 39.0 | 0.9487 | 50 |
| SP | Max Scherzer (9)** | WAS | 1.05 | 2 | 1 | 0 | 1.8947 | 6 | 6 | 38.0 | 0.8158 | 49 |
| SP | Anibal Sanchez (38)** | ATL | 0.57 | 1 | 2 | 0 | 2.9348 | 6 | 6 | 30.2 | 1.0761 | 32 |
| SP | Zack Godley (47)** | ARI | 0.49 | 2 | 1 | 0 | 4.2632 | 5 | 5 | 31.2 | 1.1053 | 33 |
| SP | Luke Weaver (71)** | STL | 0.22 | 1 | 2 | 0 | 3.8571 | 6 | 3 | 16.1 | 1.6531 | 11 |
| SP | James Paxton (76) | SEA | 0.14 | 1 | 1 | 0 | 5.5385 | 3 | 3 | 13.0 | 1.6154 | 13 |
| SP | Ross Stripling (85) | LAD | 0.02 | 0 | 0 | 0 | 1.5000 | 1 | 1 | 6.0 | 1.0000 | 2 |
| SP | Taijuan Walker (104) | ARI | -0.18 | 0 | 0 | 0 | 0.0000 | 0 | 0 | 0.0 | 0.0000 | 0 |
| SP | Michael Wacha (105) | STL | -0.18 | 0 | 0 | 0 | 0.0000 | 0 | 0 | 0.0 | 0.0000 | 0 |
| RP | Edwin Diaz (1)** | SEA | 0.99 | 0 | 0 | 10 | 1.6364 | 11 | 0 | 11.0 | 0.7273 | 21 |
| RP | Alex Colome (18)** | SEA | 0.43 | 2 | 0 | 0 | 1.5882 | 10 | 0 | 11.1 | 0.8824 | 11 |
| RP | Josh Hader (24)** | MIL | 0.36 | 0 | 1 | 4 | 4.7250 | 10 | 0 | 13.1 | 0.7500 | 14 |
| RP | Archie Bradley (30) | ARI | 0.25 | 1 | 2 | 0 | 3.7500 | 12 | 0 | 12.0 | 1.1667 | 14 |
| RP | Corey Knebel (40) | MIL | -0.06 | 0 | 2 | 0 | 8.6400 | 9 | 0 | 8.1 | 1.8000 | 14 |