| April | May | June | July | August | September | Season-to-Date |
| Back to Team Rankings | 1B | 2B | SS | 3B | C | OF | SP | RP |
| Team | Est. Value | Average | AB | Homers | Runs | RBI | Runs Prod | Steals | ||
| Ron | Welington Castillo (1) | ARI | 0.62 | 0.286 | 77 | 6 | 11 | 12 | 17 | 1 |
| None | Jarrod Saltalamacchia | DET | 0.49 | 0.214 | 56 | 6 | 8 | 15 | 17 | 0 |
| Ron | Francisco Cervelli (2) | PIT | 0.49 | 0.321 | 78 | 0 | 11 | 12 | 23 | 1 |
| J&P G | Yadier Molina (3) | STL | 0.45 | 0.341 | 82 | 0 | 8 | 10 | 18 | 1 |
| Casey S | Salvador Perez (4) | KC | 0.44 | 0.240 | 75 | 4 | 9 | 14 | 19 | 0 |
| Ron | Brian McCann (5) | NYY | 0.42 | 0.262 | 65 | 3 | 14 | 7 | 18 | 0 |
| J&P G | Buster Posey (6) | SF | 0.39 | 0.273 | 77 | 3 | 10 | 7 | 14 | 1 |
| Joe/Pat | J.T. Realmuto (7) | MIA | 0.38 | 0.292 | 72 | 2 | 10 | 6 | 14 | 1 |
| None | Carlos Ruiz | PHI | 0.33 | 0.297 | 37 | 3 | 7 | 6 | 10 | 0 |
| None | Trevor Brown | SF | 0.32 | 0.267 | 30 | 3 | 6 | 8 | 11 | 0 |
| Mike O | Wilson Ramos (8) | WAS | 0.32 | 0.316 | 57 | 2 | 4 | 8 | 10 | 0 |
| Bill | Stephen Vogt (9) | OAK | 0.32 | 0.253 | 75 | 3 | 10 | 6 | 13 | 0 |
| Alan | Jonathan Lucroy (10) | MIL | 0.32 | 0.299 | 77 | 0 | 11 | 6 | 17 | 0 |
| None | David Ross | CHC | 0.29 | 0.267 | 30 | 2 | 8 | 6 | 12 | 0 |
| None | Geovany Soto | LAA | 0.29 | 0.333 | 27 | 2 | 5 | 6 | 9 | 0 |
| Team O'Clair | Yan Gomes (11) | CLE | 0.27 | 0.200 | 65 | 3 | 7 | 11 | 15 | 0 |
| None | A.J. Ellis | LAD | 0.22 | 0.216 | 37 | 1 | 7 | 8 | 14 | 0 |
| None | Cameron Rupp | PHI | 0.20 | 0.259 | 54 | 1 | 6 | 4 | 9 | 1 |
| Joe/Pat | Yasmani Grandal (12) | LAD | 0.20 | 0.295 | 44 | 1 | 3 | 6 | 8 | 0 |
| Alan | Nick Hundley (13) | COL | 0.19 | 0.256 | 39 | 2 | 3 | 6 | 7 | 0 |
| None | Dioner Navarro | CHW | 0.18 | 0.180 | 50 | 2 | 6 | 8 | 12 | 0 |
| None | Eric Fryer | STL | 0.18 | 0.636 | 11 | 0 | 2 | 3 | 5 | 0 |
| None | Chris Iannetta | SEA | 0.17 | 0.236 | 55 | 2 | 5 | 5 | 8 | 0 |
| None | Chris Herrmann | ARI | 0.16 | 0.138 | 29 | 2 | 4 | 6 | 8 | 1 |
| None | Miguel Montero | CHC | 0.16 | 0.208 | 48 | 1 | 7 | 6 | 12 | 0 |
| None | Tucker Barnhart | CIN | 0.16 | 0.308 | 39 | 0 | 4 | 4 | 8 | 0 |
| Mike O | Matt Wieters (14) | BAL | 0.16 | 0.214 | 56 | 1 | 5 | 8 | 12 | 0 |
| None | Josh Phegley | OAK | 0.12 | 0.360 | 25 | 0 | 3 | 1 | 4 | 0 |
| None | Brett Nicholas | TEX | 0.12 | 0.241 | 29 | 1 | 4 | 3 | 6 | 0 |
| None | Tyler Flowers | ATL | 0.10 | 0.281 | 32 | 0 | 2 | 4 | 6 | 0 |
| None | Tony Wolters | COL | 0.09 | 0.182 | 33 | 0 | 4 | 2 | 6 | 3 |
| None | A.J. Pierzynski | ATL | 0.08 | 0.200 | 55 | 0 | 5 | 5 | 10 | 1 |
| None | Chris Stewart | PIT | 0.08 | 0.278 | 18 | 1 | 1 | 2 | 2 | 0 |
| None | Robinson Chirinos | TEX | 0.08 | 0.267 | 15 | 1 | 1 | 2 | 2 | 0 |
| None | Kurt Suzuki | MIN | 0.07 | 0.224 | 49 | 0 | 3 | 5 | 8 | 0 |
| None | Christian Bethancourt | SD | 0.07 | 0.211 | 19 | 1 | 1 | 3 | 3 | 0 |
| None | Steve Clevenger | SEA | 0.07 | 0.150 | 20 | 1 | 3 | 3 | 5 | 0 |
| None | Dustin Garneau | COL | 0.06 | 0.400 | 10 | 0 | 1 | 1 | 2 | 0 |
| None | Drew Butera | KC | 0.06 | 0.429 | 7 | 0 | 1 | 1 | 2 | 0 |
| Bill | Blake Swihart (15) | BOS | 0.05 | 0.278 | 18 | 0 | 2 | 1 | 3 | 0 |
| None | Bryan Holaday | TEX | 0.04 | 0.171 | 35 | 0 | 5 | 3 | 8 | 0 |
| None | Christian Vazquez | BOS | 0.03 | 0.222 | 36 | 0 | 5 | 0 | 5 | 0 |
| None | Austin Romine | NYY | 0.02 | 0.294 | 17 | 0 | 0 | 1 | 1 | 0 |
| None | Caleb Joseph | BAL | 0.01 | 0.226 | 31 | 0 | 3 | 0 | 3 | 0 |
| None | Kevin Plawecki | NYM | 0.01 | 0.192 | 26 | 0 | 2 | 2 | 4 | 0 |
| None | Ryan Hanigan | BOS | 0.00 | 0.185 | 27 | 0 | 3 | 1 | 4 | 0 |
| None | Hector Sanchez | CHW | 0.00 | 0.250 | 4 | 0 | 0 | 0 | 0 | 0 |
| None | Jeff Mathis | MIA | 0.00 | 0.167 | 18 | 0 | 3 | 0 | 3 | 0 |
| None | Josh Thole | TOR | 0.00 | 0.185 | 27 | 1 | 1 | 1 | 1 | 0 |
| None | Bobby Wilson | DET | -0.01 | 0.154 | 13 | 0 | 0 | 2 | 2 | 0 |
| None | Curt Casali | TB | -0.01 | 0.146 | 48 | 1 | 1 | 6 | 6 | 0 |
| Casey S | Derek Norris (16) | SD | -0.01 | 0.156 | 77 | 1 | 9 | 3 | 11 | 0 |
| None | Austin Barnes | LAD | -0.02 | 0.133 | 15 | 0 | 1 | 1 | 2 | 0 |
| None | Jose Lobaton | WAS | -0.02 | 0.154 | 26 | 0 | 1 | 3 | 4 | 0 |
| Walter | James McCann (17) | DET | -0.02 | 0.133 | 15 | 0 | 0 | 2 | 2 | 0 |
| None | Alex Avila | CHW | -0.03 | 0.214 | 28 | 0 | 1 | 0 | 1 | 0 |
| Team O'Clair | Travis d'Arnaud (18) | NYM | -0.03 | 0.196 | 46 | 0 | 3 | 1 | 4 | 0 |
| None | Jason Castro | HOU | -0.05 | 0.140 | 50 | 0 | 4 | 2 | 6 | 1 |
| None | Carlos Perez | LAA | -0.06 | 0.148 | 54 | 0 | 3 | 4 | 7 | 0 |
| None | Hank Conger | TB | -0.07 | 0.154 | 26 | 0 | 0 | 1 | 1 | 0 |
| Terry | Russell Martin (19) | TOR | -0.08 | 0.150 | 60 | 0 | 3 | 4 | 7 | 0 |
| None | Erik Kratz | HOU | -0.11 | 0.053 | 19 | 0 | 0 | 0 | 0 | 0 |
| Walter | Devin Mesoraco (20) | CIN | -0.13 | 0.140 | 50 | 0 | 2 | 1 | 3 | 0 |
| None | John Ryan | MIN | -0.17 | 0.086 | 35 | 0 | 0 | 0 | 0 | 0 |