| 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 S | Joe D |
| Est. Value | Average | AB | Homers | Runs | RBI | Runs Prod | Steals | |||
| 1B | Paul Goldschmidt (6)** | STL | 0.92 | 0.259 | 116 | 9 | 22 | 19 | 32 | 0 |
| 1B | Eric Hosmer (13) | SD | 0.62 | 0.252 | 111 | 5 | 14 | 18 | 27 | 0 |
| 2B | Gleyber Torres (9)** | NYY | 0.74 | 0.272 | 114 | 5 | 16 | 15 | 26 | 3 |
| 2B | Starlin Castro (15) | MIA | 0.37 | 0.248 | 113 | 3 | 11 | 9 | 17 | 1 |
| SS | Paul DeJong (4)** | STL | 1.05 | 0.342 | 117 | 5 | 26 | 13 | 34 | 2 |
| SS | Corey Seager (16) | LAD | 0.40 | 0.236 | 110 | 2 | 18 | 9 | 25 | 0 |
| 3B | Jung Ho (16)** | PIT | 0.13 | 0.160 | 75 | 4 | 5 | 8 | 9 | 0 |
| 3B | Miguel Andujar (17) | NYY | 0.02 | 0.231 | 13 | 0 | 1 | 1 | 2 | 0 |
| C | Yadier Molina (6)** | STL | 0.56 | 0.262 | 107 | 2 | 11 | 20 | 29 | 1 |
| C | Jorge Alfaro (8) | MIA | 0.48 | 0.286 | 77 | 5 | 9 | 9 | 13 | 0 |
| OF | Mitch Haniger (6)** | SEA | 0.98 | 0.244 | 123 | 7 | 28 | 19 | 40 | 3 |
| OF | Nick Markakis (16)** | ATL | 0.80 | 0.330 | 103 | 2 | 18 | 18 | 34 | 0 |
| OF | Stephen Piscotty (31)** | OAK | 0.55 | 0.256 | 121 | 4 | 14 | 14 | 24 | 1 |
| OF | Adam Eaton (24) | WAS | 0.66 | 0.296 | 115 | 2 | 18 | 9 | 25 | 4 |
| OF | Brandon Nimmo (39) | NYM | 0.46 | 0.233 | 86 | 3 | 17 | 9 | 23 | 1 |
| Back to Team Rankings | Mike O | Casey S | J&P G | Terry | Ron | Alan | Walter | Bill | Joe S | Joe D |
| Est. Value | Wins | Losses | Saves | ERA | Games | Starts | Innings | WHIP | K's | |||
| SP | James Paxton (9)** | NYY | 0.91 | 3 | 2 | 0 | 3.3750 | 6 | 6 | 34.2 | 1.1538 | 51 |
| SP | Hyun-Jin Ryu (21)** | LAD | 0.76 | 3 | 1 | 0 | 2.9634 | 5 | 5 | 27.1 | 1.0244 | 33 |
| SP | Joe Musgrove (23)** | PIT | 0.71 | 1 | 2 | 0 | 2.0571 | 6 | 5 | 35.0 | 0.9143 | 31 |
| SP | Patrick Corbin (24)** | WAS | 0.71 | 2 | 1 | 0 | 3.5841 | 6 | 6 | 37.2 | 1.0619 | 44 |
| SP | Max Scherzer (31)** | WAS | 0.62 | 1 | 3 | 0 | 4.1186 | 6 | 6 | 39.1 | 1.1186 | 54 |
| SP | Julio Urias (39) | LAD | 0.55 | 2 | 1 | 0 | 3.4225 | 6 | 4 | 23.2 | 1.0986 | 29 |
| SP | Tyler Skaggs (49) | LAA | 0.47 | 2 | 2 | 0 | 3.1500 | 4 | 4 | 20.0 | 1.2500 | 19 |
| SP | Trevor Williams (50) | PIT | 0.47 | 1 | 1 | 0 | 3.3750 | 6 | 6 | 37.1 | 1.0446 | 27 |
| SP | Kyle Freeland (57) | COL | 0.41 | 2 | 4 | 0 | 4.8119 | 6 | 6 | 33.2 | 1.2178 | 33 |
| SP | Walker Buehler (65) | LAD | 0.38 | 3 | 0 | 0 | 5.2159 | 6 | 6 | 29.1 | 1.1932 | 24 |
| SP | Kyle Gibson (71) | MIN | 0.33 | 2 | 0 | 0 | 4.8795 | 5 | 5 | 27.2 | 1.2289 | 24 |
| SP | Michael Pineda (85) | MIN | 0.14 | 2 | 2 | 0 | 6.2069 | 6 | 6 | 29.0 | 1.4828 | 22 |
| RP | Kirby Yates (1)** | SD | 1.43 | 0 | 0 | 14 | 0.5625 | 16 | 0 | 16.0 | 1.0000 | 25 |
| RP | Edwin Diaz (9)** | NYM | 0.86 | 0 | 1 | 8 | 1.5429 | 13 | 0 | 11.2 | 0.8571 | 20 |
| RP | Arodys Vizcaino (33)** | ATL | 0.15 | 1 | 0 | 1 | 2.2500 | 4 | 0 | 4.0 | 1.5000 | 6 |
| RP | Alex Reyes (41) | STL | -0.26 | 0 | 1 | 0 | 15.0000 | 4 | 0 | 3.0 | 2.6667 | 1 |