| 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 | Jose Abreu (6)** | CHW | 0.88 | 0.338 | 71 | 6 | 14 | 19 | 27 | 1 |
| 1B | Jose Martinez (4) | STL | 0.93 | 0.389 | 95 | 3 | 16 | 18 | 31 | 0 |
| 1B | Josh Bell (18) | PIT | 0.22 | 0.231 | 65 | 2 | 9 | 5 | 12 | 0 |
| 2B | Whit Merrifield (1)** | KC | 1.10 | 0.358 | 109 | 5 | 18 | 16 | 29 | 6 |
| 2B | Gleyber Torres (5) | NYY | 0.75 | 0.272 | 103 | 6 | 13 | 17 | 24 | 3 |
| SS | Francisco Lindor (7)** | CLE | 0.65 | 0.263 | 114 | 2 | 18 | 11 | 27 | 6 |
| SS | Paul DeJong (4) | STL | 0.68 | 0.202 | 99 | 6 | 17 | 22 | 33 | 1 |
| 3B | Justin Turner (1)** | LAD | 1.22 | 0.402 | 97 | 6 | 22 | 20 | 36 | 1 |
| 3B | Nolan Arenado (12) | COL | 0.51 | 0.276 | 98 | 3 | 13 | 12 | 22 | 0 |
| C | Buster Posey (15)** | SF | 0.08 | 0.246 | 61 | 0 | 4 | 4 | 8 | 0 |
| C | Chance Sisco (17) | BAL | 0.00 | 0.000 | 0 | 0 | 0 | 0 | 0 | 0 |
| OF | Rhys Hoskins (25)** | PHI | 0.54 | 0.216 | 97 | 6 | 15 | 13 | 22 | 1 |
| OF | Marcell Ozuna (28)** | STL | 0.52 | 0.321 | 81 | 3 | 9 | 11 | 17 | 0 |
| OF | Chris Taylor (47)** | LAD | 0.18 | 0.185 | 81 | 2 | 7 | 4 | 9 | 5 |
| OF | Tommy Pham (43) | TB | 0.33 | 0.292 | 48 | 2 | 9 | 6 | 13 | 0 |
| OF | Matt Kemp (54) | LAD | 0.10 | 0.214 | 70 | 1 | 6 | 5 | 10 | 0 |
| OF | Scott Schebler (56) | CIN | 0.05 | 0.200 | 25 | 1 | 1 | 3 | 3 | 0 |
| OF | Michael Taylor (66) | WAS | -0.06 | 0.122 | 41 | 1 | 3 | 1 | 3 | 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 | Jacob deGrom (1)** | NYM | 1.44 | 3 | 2 | 0 | 1.2366 | 6 | 6 | 43.2 | 0.9847 | 60 |
| SP | Robbie Ray (43)** | ARI | 0.51 | 1 | 0 | 0 | 3.2400 | 5 | 5 | 25.0 | 1.5600 | 33 |
| SP | Jake Odorizzi (55)** | MIN | 0.39 | 1 | 2 | 0 | 3.7742 | 6 | 6 | 31.0 | 1.0968 | 26 |
| SP | Michael Kopech (58)** | CHW | 0.35 | 1 | 0 | 0 | 0.8182 | 3 | 3 | 11.0 | 1.0909 | 9 |
| SP | Charlie Morton (60)** | HOU | 0.33 | 1 | 1 | 0 | 4.2289 | 5 | 5 | 27.2 | 1.2651 | 26 |
| SP | Drew Pomeranz (61) | BOS | 0.31 | 1 | 0 | 0 | 3.1500 | 9 | 1 | 20.0 | 1.5000 | 13 |
| SP | Marco Estrada (68) | TOR | 0.24 | 3 | 2 | 0 | 6.1519 | 5 | 5 | 26.1 | 1.4430 | 19 |
| SP | Nathan Eovaldi (83) | BOS | 0.06 | 1 | 3 | 0 | 5.6667 | 6 | 6 | 27.0 | 1.6667 | 16 |
| SP | Felix Hernandez (84) | SEA | 0.06 | 0 | 3 | 0 | 5.1573 | 5 | 4 | 29.2 | 1.3146 | 21 |
| SP | Junior Guerra (92) | MIL | -0.13 | 0 | 2 | 0 | 7.0274 | 5 | 5 | 24.1 | 2.0137 | 20 |
| SP | Gio Gonzalez (93) | MIL | -0.15 | 1 | 4 | 0 | 7.4681 | 6 | 6 | 31.1 | 1.8191 | 23 |
| SP | Eduardo Rodriguez (95) | BOS | -0.18 | 0 | 0 | 0 | 0.0000 | 0 | 0 | 0.0 | 0.0000 | 0 |
| SP | Fernando Romero (96) | MIN | -0.18 | 0 | 0 | 0 | 0.0000 | 0 | 0 | 0.0 | 0.0000 | 0 |
| SP | Adam Wainwright (97) | STL | -0.18 | 0 | 0 | 0 | 0.0000 | 0 | 0 | 0.0 | 0.0000 | 0 |
| SP | Tyler Skaggs (108) | LAA | -0.29 | 0 | 1 | 0 | 18.9000 | 1 | 1 | 3.1 | 3.3000 | 5 |
| RP | Brad Boxberger (7)** | ARI | 0.63 | 1 | 0 | 6 | 3.2400 | 9 | 0 | 8.1 | 1.4400 | 13 |
| RP | Will Smith (9)** | SF | 0.59 | 1 | 1 | 5 | 3.3750 | 11 | 0 | 10.2 | 1.0313 | 13 |
| RP | Brad Peacock (23)** | HOU | 0.37 | 1 | 0 | 0 | 3.0000 | 9 | 1 | 12.0 | 1.3333 | 22 |
| RP | Wade Davis (21) | COL | 0.39 | 1 | 3 | 5 | 7.7143 | 11 | 0 | 9.1 | 1.2857 | 12 |
| RP | Greg Holland (27) | WAS | 0.30 | 0 | 0 | 1 | 0.9310 | 12 | 0 | 9.2 | 0.8276 | 11 |