| 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 | Pete Alonso (2)** | NYM | 1.10 | 0.292 | 106 | 9 | 20 | 26 | 37 | 0 |
| 1B | Jose Abreu (8) | CHW | 0.86 | 0.279 | 104 | 5 | 15 | 24 | 34 | 2 |
| 1B | Greg Bird (21) | NYY | 0.06 | 0.171 | 35 | 1 | 6 | 1 | 6 | 0 |
| 2B | Whit Merrifield (5)** | KC | 0.83 | 0.288 | 118 | 4 | 22 | 11 | 29 | 5 |
| 2B | Ryan McMahon (16) | COL | 0.31 | 0.224 | 67 | 2 | 9 | 10 | 17 | 1 |
| SS | Elvis Andrus (2)** | TEX | 1.19 | 0.361 | 108 | 5 | 19 | 20 | 34 | 6 |
| 3B | Matt Chapman (3)** | OAK | 0.86 | 0.282 | 110 | 8 | 15 | 20 | 27 | 0 |
| 3B | Matt Carpenter (13) | STL | 0.31 | 0.202 | 104 | 3 | 18 | 5 | 20 | 1 |
| C | Gary Sanchez (5)** | NYY | 0.66 | 0.233 | 60 | 8 | 10 | 18 | 20 | 0 |
| OF | Mookie Betts (12)** | BOS | 0.88 | 0.295 | 112 | 6 | 22 | 15 | 31 | 1 |
| OF | Bryce Harper (21)** | PHI | 0.74 | 0.240 | 104 | 6 | 17 | 20 | 31 | 1 |
| OF | Andrew Benintendi (35)** | BOS | 0.51 | 0.265 | 102 | 2 | 13 | 13 | 24 | 2 |
| OF | Christin Stewart (46) | DET | 0.34 | 0.222 | 54 | 3 | 6 | 13 | 16 | 0 |
| OF | Jackie Bradley (57) | BOS | -0.05 | 0.148 | 88 | 0 | 5 | 5 | 10 | 3 |
| 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 | German Marquez (8)** | COL | 0.95 | 3 | 2 | 0 | 2.9348 | 7 | 7 | 46.0 | 1.0217 | 43 |
| SP | Marcus Stroman (11)** | TOR | 0.89 | 1 | 3 | 0 | 1.4336 | 6 | 6 | 37.2 | 1.0885 | 36 |
| SP | Chris Paddack (13)** | SD | 0.86 | 2 | 1 | 0 | 1.9091 | 6 | 6 | 33.0 | 0.6970 | 35 |
| SP | Frankie Montas (15)** | OAK | 0.85 | 4 | 2 | 0 | 2.9700 | 6 | 6 | 33.1 | 1.2900 | 30 |
| SP | Shane Bieber (35)** | CLE | 0.58 | 2 | 1 | 0 | 3.6818 | 6 | 5 | 29.1 | 1.0568 | 34 |
| SP | Eric Lauer (53) | SD | 0.43 | 2 | 3 | 0 | 4.4082 | 6 | 6 | 32.2 | 1.3163 | 29 |
| SP | Pablo Lopez (55) | MIA | 0.42 | 2 | 4 | 0 | 4.7813 | 6 | 6 | 32.0 | 1.1563 | 33 |
| SP | Sonny Gray (59) | CIN | 0.41 | 0 | 4 | 0 | 3.6404 | 6 | 6 | 29.2 | 0.9775 | 36 |
| SP | Yu Darvish (62) | CHC | 0.40 | 2 | 3 | 0 | 5.0233 | 6 | 6 | 28.2 | 1.5698 | 33 |
| SP | Dakota Hudson (75) | STL | 0.28 | 2 | 1 | 1 | 5.6250 | 6 | 5 | 24.0 | 1.9167 | 19 |
| SP | Trevor Richards (81) | MIA | 0.22 | 0 | 4 | 0 | 4.6364 | 6 | 6 | 33.0 | 1.3333 | 31 |
| SP | Chris Sale (93) | BOS | 0.01 | 0 | 5 | 0 | 6.3000 | 6 | 6 | 30.0 | 1.4000 | 32 |
| SP | Kyle Wright (101) | ATL | -0.08 | 0 | 2 | 0 | 7.0714 | 3 | 3 | 14.0 | 1.7857 | 11 |
| RP | Shane Greene (2)** | DET | 1.14 | 0 | 1 | 12 | 1.2857 | 14 | 0 | 14.0 | 0.6429 | 17 |
| RP | Jose Alvarado (19)** | TB | 0.61 | 0 | 2 | 4 | 1.3846 | 14 | 0 | 13.0 | 1.1538 | 19 |
| RP | Pedro Strop (21)** | CHC | 0.44 | 1 | 1 | 3 | 2.7931 | 10 | 0 | 9.2 | 0.8276 | 9 |
| RP | Brad Boxberger (35) | KC | 0.04 | 0 | 3 | 1 | 7.2973 | 12 | 0 | 12.1 | 1.7838 | 15 |