| 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 | Josh Bell (10)** | PIT | 0.47 | 0.329 | 70 | 1 | 13 | 8 | 20 | 0 |
| 1B | Jose Abreu (11) | CHW | 0.46 | 0.233 | 86 | 4 | 14 | 12 | 22 | 0 |
| 1B | Jose Martinez (20) | STL | 0.10 | 0.262 | 65 | 0 | 1 | 7 | 8 | 0 |
| 2B | Whit Merrifield (5)** | KC | 0.72 | 0.320 | 97 | 1 | 17 | 8 | 24 | 7 |
| 2B | Gleyber Torres (19) | NYY | 0.21 | 0.267 | 30 | 1 | 5 | 6 | 10 | 0 |
| SS | Francisco Lindor (1)** | CLE | 1.22 | 0.300 | 100 | 7 | 26 | 21 | 40 | 6 |
| SS | Paul DeJong (16) | STL | 0.27 | 0.217 | 83 | 1 | 15 | 7 | 21 | 0 |
| 3B | Nolan Arenado (3)** | COL | 0.96 | 0.307 | 88 | 8 | 16 | 22 | 30 | 0 |
| 3B | Justin Turner (16) | LAD | 0.14 | 0.250 | 40 | 0 | 5 | 5 | 10 | 0 |
| C | Buster Posey (10)** | SF | 0.33 | 0.293 | 82 | 0 | 7 | 11 | 18 | 0 |
| C | Chance Sisco (22) | BAL | -0.09 | 0.091 | 22 | 0 | 1 | 0 | 1 | 0 |
| OF | Rhys Hoskins (14)** | PHI | 0.82 | 0.276 | 105 | 7 | 16 | 20 | 29 | 0 |
| OF | Matt Kemp (22)** | LAD | 0.67 | 0.282 | 85 | 4 | 15 | 17 | 28 | 0 |
| OF | Chris Taylor (23)** | LAD | 0.67 | 0.267 | 105 | 3 | 15 | 20 | 32 | 1 |
| OF | Tommy Pham (29) | TB | 0.52 | 0.263 | 80 | 2 | 13 | 15 | 26 | 1 |
| OF | Marcell Ozuna (47) | STL | 0.33 | 0.210 | 105 | 3 | 11 | 14 | 22 | 0 |
| OF | Scott Schebler (50) | CIN | 0.25 | 0.275 | 40 | 2 | 4 | 6 | 8 | 1 |
| OF | Michael Taylor (55) | WAS | 0.17 | 0.256 | 43 | 0 | 8 | 2 | 10 | 1 |
| 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 | Eduardo Rodriguez (21)** | BOS | 0.66 | 2 | 0 | 0 | 0.0000 | 3 | 3 | 17.0 | 0.8235 | 16 |
| SP | Jacob deGrom (23)** | NYM | 0.61 | 0 | 2 | 0 | 1.7419 | 4 | 4 | 31.0 | 0.8387 | 30 |
| SP | Charlie Morton (30)** | HOU | 0.56 | 2 | 1 | 0 | 4.0814 | 5 | 5 | 28.2 | 1.3256 | 37 |
| SP | Junior Guerra (51)** | MIL | 0.37 | 2 | 2 | 0 | 4.6800 | 5 | 5 | 25.0 | 1.6000 | 25 |
| SP | Tyler Skaggs (71)** | LAA | 0.16 | 2 | 2 | 0 | 6.3281 | 4 | 4 | 21.1 | 1.4063 | 18 |
| SP | Nathan Eovaldi (32) | BOS | 0.55 | 2 | 1 | 0 | 3.4535 | 5 | 5 | 28.2 | 1.0814 | 28 |
| SP | Jake Odorizzi (53) | MIN | 0.35 | 1 | 2 | 0 | 4.4430 | 5 | 5 | 26.1 | 1.3671 | 30 |
| SP | Gio Gonzalez (65) | WAS | 0.20 | 0 | 2 | 0 | 4.0814 | 5 | 5 | 28.2 | 1.5349 | 21 |
| SP | Robbie Ray (80) | ARI | 0.05 | 0 | 2 | 0 | 6.1237 | 6 | 6 | 32.1 | 1.4227 | 36 |
| SP | Drew Pomeranz (81) | BOS | 0.00 | 0 | 2 | 0 | 5.5862 | 2 | 2 | 9.2 | 1.6552 | 7 |
| SP | Fernando Romero (91) | MIN | -0.17 | 0 | 0 | 0 | 8.3077 | 1 | 1 | 4.1 | 2.3077 | 1 |
| SP | Adam Wainwright (92) | STL | -0.18 | 0 | 0 | 0 | 0.0000 | 0 | 0 | 0.0 | 0.0000 | 0 |
| SP | Felix Hernandez (102) | SEA | -0.19 | 0 | 3 | 0 | 9.2368 | 3 | 3 | 12.2 | 1.8158 | 10 |
| SP | Marco Estrada (105) | TOR | -0.25 | 0 | 1 | 0 | 12.4615 | 2 | 2 | 4.1 | 2.3077 | 1 |
| RP | Wade Davis (7)** | COL | 0.79 | 1 | 1 | 8 | 3.6486 | 12 | 0 | 12.1 | 0.8919 | 14 |
| RP | Brad Boxberger (10)** | ARI | 0.58 | 0 | 1 | 6 | 2.8929 | 10 | 0 | 9.1 | 0.7500 | 15 |
| RP | Brad Peacock (31)** | HOU | 0.08 | 0 | 1 | 1 | 6.7500 | 10 | 0 | 10.2 | 1.5000 | 14 |
| RP | Greg Holland (42) | STL | -0.20 | 0 | 0 | 0 | 10.2857 | 9 | 0 | 7.0 | 2.7143 | 5 |