| 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 | Yonder Alonso (14)** | CLE | 0.48 | 0.273 | 88 | 3 | 12 | 12 | 21 | 0 |
| 1B | Cody Bellinger (18) | LAD | 0.35 | 0.180 | 100 | 5 | 10 | 13 | 18 | 2 |
| 2B | Jonathan Villar (9)** | MIL | 0.43 | 0.275 | 69 | 2 | 9 | 9 | 16 | 3 |
| 2B | Jason Kipnis (10) | CLE | 0.41 | 0.221 | 104 | 3 | 13 | 15 | 25 | 0 |
| SS | Trea Turner (6)** | WAS | 0.74 | 0.250 | 104 | 5 | 18 | 15 | 28 | 4 |
| SS | Orlando Arcia (15) | MIL | 0.10 | 0.214 | 56 | 0 | 4 | 6 | 10 | 1 |
| SS | Nick Ahmed (17) | ARI | 0.05 | 0.146 | 89 | 3 | 7 | 8 | 12 | 0 |
| 3B | Kris Bryant (5)** | CHC | 0.81 | 0.282 | 110 | 6 | 19 | 16 | 29 | 1 |
| 3B | Christian Villanueva (11) | SD | 0.43 | 0.170 | 88 | 7 | 10 | 16 | 19 | 0 |
| 3B | Scott Kingery (20) | PHI | 0.05 | 0.213 | 75 | 0 | 8 | 1 | 9 | 1 |
| C | Salvador Perez (1)** | KC | 0.83 | 0.241 | 112 | 8 | 14 | 25 | 31 | 1 |
| C | Yadier Molina (16) | STL | 0.06 | 0.357 | 14 | 0 | 1 | 1 | 2 | 0 |
| OF | Aaron Judge (9)** | NYY | 0.91 | 0.266 | 94 | 8 | 17 | 22 | 31 | 1 |
| OF | Jorge Soler (10)** | KC | 0.84 | 0.259 | 108 | 6 | 18 | 19 | 31 | 3 |
| OF | Bryce Harper (12)** | WAS | 0.82 | 0.223 | 103 | 10 | 14 | 21 | 25 | 2 |
| OF | Starling Marte (16) | PIT | 0.67 | 0.338 | 68 | 4 | 11 | 12 | 19 | 2 |
| OF | Gregory Polanco (32) | PIT | 0.43 | 0.232 | 82 | 2 | 16 | 9 | 23 | 2 |
| 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 | Aaron Nola (3)** | PHI | 1.25 | 4 | 1 | 0 | 1.8000 | 6 | 6 | 40.0 | 0.9000 | 46 |
| SP | Chris Sale (8)** | BOS | 1.04 | 3 | 1 | 0 | 3.1500 | 6 | 6 | 40.0 | 0.9500 | 59 |
| SP | Dallas Keuchel (29)** | HOU | 0.64 | 2 | 3 | 0 | 3.3158 | 6 | 6 | 38.0 | 1.1579 | 32 |
| SP | Jake Junis (34)** | KC | 0.59 | 2 | 2 | 0 | 3.8571 | 6 | 6 | 35.0 | 1.4000 | 37 |
| SP | Patrick Corbin (40)** | ARI | 0.56 | 1 | 2 | 0 | 3.8208 | 6 | 6 | 35.1 | 1.1604 | 43 |
| SP | Steven Matz (48) | NYM | 0.44 | 1 | 1 | 0 | 2.2500 | 5 | 5 | 24.0 | 1.2500 | 15 |
| SP | Masahiro Tanaka (57) | NYY | 0.30 | 2 | 0 | 0 | 4.9390 | 5 | 5 | 27.1 | 1.1707 | 21 |
| SP | Sonny Gray (58) | NYY | 0.29 | 2 | 2 | 0 | 5.1618 | 4 | 4 | 22.2 | 1.4559 | 21 |
| SP | Jameson Taillon (63) | PIT | 0.23 | 0 | 1 | 0 | 4.1538 | 5 | 5 | 26.0 | 1.2692 | 25 |
| SP | Matt Harvey (68) | CIN | 0.13 | 1 | 1 | 0 | 5.4844 | 5 | 4 | 21.1 | 1.4063 | 17 |
| SP | Tyler Chatwood (70) | CHC | 0.10 | 1 | 1 | 0 | 5.9492 | 5 | 5 | 19.2 | 2.1864 | 17 |
| SP | Lucas Giolito (84) | CHW | -0.05 | 2 | 3 | 0 | 7.3636 | 6 | 6 | 29.1 | 1.6705 | 19 |
| RP | Brad Hand (2)** | SD | 1.17 | 0 | 0 | 11 | 0.6136 | 13 | 0 | 14.2 | 0.8864 | 22 |
| RP | Shane Greene (5)** | DET | 0.98 | 1 | 0 | 9 | 2.3478 | 15 | 0 | 15.1 | 1.1087 | 17 |
| RP | Fernando Rodney (9)** | MIN | 0.78 | 0 | 0 | 8 | 0.8710 | 10 | 0 | 10.1 | 0.7742 | 10 |
| RP | Jeurys Familia (16) | NYM | 0.64 | 1 | 1 | 5 | 2.4545 | 10 | 0 | 11.0 | 1.0909 | 13 |
| RP | Arodys Vizcaino (17) | ATL | 0.61 | 0 | 1 | 7 | 3.2727 | 11 | 0 | 11.0 | 0.9091 | 11 |