This article is part of our DFS MLB series.
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Park Factors & Lines
Park factors in this piece are a three-year average from 2015-2017, indexed (100 = average). For example, left-handed home runs at Guaranteed Rate Field (home of the White Sox) have a three-year index of 122, which means there have been 22% more homers hit by lefties from all teams during that span in that park compared to a completely neutral environment. Left-handed hitters have a significant advantage when hitting at Guaranteed Rate Field.
AT&T Park (home of the Giants), has a three-year run index of 90, which means that games played at AT&T park have had 10% fewer runs scored overall than a completely neutral environment. Overall offensive production is reduced by a significant amount for games played in San Francisco, making it a safer environment than most for pitchers.
| Lefties | Righties | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Road Starter | Home Starter | Home Tm | R | AVG | HR | AVG | HR | K | O/U | HmL | 1st Pitch |
| Wei-Yin Chen | Ivan Nova | Pirates | 96 | 97 | 101 | 103 | 83 | 94 | 7.5 | -150 | 1:05 PM |
| Jaime Garcia | Max Scherzer | Nationals | 100 | 98 | 89 | 105 | 114 | 98 | 7.5 | -145 | 3:05 PM |
| Charlie Morton | Eduardo Rodriguez | Red Sox | 114 | 112 | 78 | 109 | 105 | 99 | 8.5 | -115 | 4:05 PM |
| Yohander Mendez | Edwin Jackson | Athletics | 96 | 97 | 84 | 97 | |||||
Helpful Links
For those interested, we've started an MLB DFS Slack channel for paid RotoWire subscribers. (There is a season-long one as well.) To join those channels, e-mail [email protected].
Park Factors & Lines
Park factors in this piece are a three-year average from 2015-2017, indexed (100 = average). For example, left-handed home runs at Guaranteed Rate Field (home of the White Sox) have a three-year index of 122, which means there have been 22% more homers hit by lefties from all teams during that span in that park compared to a completely neutral environment. Left-handed hitters have a significant advantage when hitting at Guaranteed Rate Field.
AT&T Park (home of the Giants), has a three-year run index of 90, which means that games played at AT&T park have had 10% fewer runs scored overall than a completely neutral environment. Overall offensive production is reduced by a significant amount for games played in San Francisco, making it a safer environment than most for pitchers.
| Lefties | Righties | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Road Starter | Home Starter | Home Tm | R | AVG | HR | AVG | HR | K | O/U | HmL | 1st Pitch |
| Wei-Yin Chen | Ivan Nova | Pirates | 96 | 97 | 101 | 103 | 83 | 94 | 7.5 | -150 | 1:05 PM |
| Jaime Garcia | Max Scherzer | Nationals | 100 | 98 | 89 | 105 | 114 | 98 | 7.5 | -145 | 3:05 PM |
| Charlie Morton | Eduardo Rodriguez | Red Sox | 114 | 112 | 78 | 109 | 105 | 99 | 8.5 | -115 | 4:05 PM |
| Yohander Mendez | Edwin Jackson | Athletics | 96 | 97 | 84 | 97 | 87 | 96 | 9.5 | -170 | 4:05 PM |
| Adam Plutko | Sean Reid-Foley | Blue Jays | 99 | 102 | 98 | 101 | 101 | 97 | 9.5 | 115 | 4:07 PM |
| Robbie Erlin | Matt Harvey | Reds | 104 | 100 | 119 | 98 | 108 | 106 | 8.5 | -130 | 4:10 PM |
| David Hess | Diego Castillo | Rays | 92 | 95 | 97 | 94 | 90 | 110 | 6:10 PM | ||
| Jack Flaherty | Matt Boyd | Tigers | 103 | 98 | 104 | 103 | 101 | 104 | 8.0 | 145 | 6:10 PM |
| Cole Hamels | Nationals | 100 | 98 | 89 | 105 | 114 | 98 | 7:05 PM | |||
| Matt Shoemaker | James Shields | White Sox | 95 | 90 | 122 | 99 | 110 | 106 | 7:10 PM | ||
| Chris Stratton | Gio Gonzalez | Brewers | 105 | 103 | 131 | 96 | 108 | 103 | 8.5 | -190 | 7:10 PM |
| Jorge Lopez | Jose Berrios | Twins | 105 | 103 | 95 | 105 | 113 | 93 | 8.5 | -200 | 7:10 PM |
| Zach Eflin | Noah Syndergaard | Mets | 90 | 93 | 101 | 90 | 92 | 106 | 7.0 | -150 | 7:10 PM |
| Julio Teheran | Clay Buchholz | Diamondbacks | 116 | 109 | 106 | 105 | 111 | 100 | 8.0 | -135 | 8:10 PM |
| Walker Buehler | Kyle Freeland | Rockies | 138 | 121 | 117 | 116 | 118 | 87 | 10.0 | 120 | 8:10 PM |
| Lance Lynn | Felix Hernandez | Mariners | 91 | 96 | 105 | 94 | 97 | 104 | 8.5 | 100 | 9:10 PM |
Pitcher Skills
These stats look at each starting pitcher's stats since the start of last season.
The final two columns are team stats for each pitcher's opponent.
OwRC+ is the team wRC+ for the current season, against the handedness of that pitcher.
TeamK% is the strikeout rate of the opposing team for the current season, against the handedness of that pitcher.
Note: Opponent team matchup data from 2018 season.
| Player | Opp | IP | K% | BB% | K-BB | HR/9 | ERA | WHIP | DK | FD | OwRC+ | OsK% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jose Berrios (R) | v KC | 313.3 | 23.7 | 7.4 | 16.3 | 1.12 | 3.91 | 1.19 | $8,000 | $8,300 | 89 | 21.3 |
| Matt Boyd (L) | v STL | 288.0 | 20.0 | 8.0 | 12.0 | 1.16 | 4.72 | 1.33 | $8,400 | $7,800 | 105 | 21.5 |
| Clay Buchholz (R) | v ATL | 99.3 | 19.7 | 5.7 | 14.0 | 0.91 | 2.81 | 1.15 | $8,600 | $8,900 | 98 | 21.2 |
| Walker Buehler (R) | at COL | 114.0 | 27.5 | 7.8 | 19.7 | 0.95 | 3.32 | 1.11 | $7,800 | $8,700 | 78 | 23.3 |
| Diego Castillo (R) | v BAL | 44.0 | 26.7 | 9.1 | 17.6 | 0.82 | 3.48 | 1.02 | $4,300 | $5,500 | 86 | 25.0 |
| Wei-Yin Chen (L) | at PIT | 147.3 | 18.9 | 7.9 | 11.0 | 1.22 | 4.46 | 1.24 | $7,000 | $7,700 | 87 | 20.9 |
| Zach Eflin (R) | at NYM | 175.3 | 18.3 | 5.2 | 13.1 | 1.54 | 4.83 | 1.32 | $7,100 | $7,600 | 94 | 22.4 |
| Robbie Erlin (L) | at CIN | 90.7 | 20.9 | 2.8 | 18.1 | 0.99 | 3.87 | 1.09 | $4,800 | $5,800 | 108 | 20.4 |
| Jack Flaherty (R) | at DET | 148.7 | 28.8 | 9.3 | 19.5 | 1.27 | 3.33 | 1.12 | $10,800 | $10,000 | 79 | 22.4 |
| Kyle Freeland (L) | v LAD | 326.3 | 18.0 | 8.9 | 9.1 | 0.88 | 3.50 | 1.36 | $7,000 | $7,900 | 99 | 21.5 |
| Jaime Garcia (L) | at WAS | 231.3 | 19.6 | 10.1 | 9.5 | 1.21 | 4.90 | 1.45 | $6,900 | $5,500 | 98 | 23.0 |
| Gio Gonzalez (L) | v SF | 346.7 | 21.3 | 10.1 | 11.2 | 0.93 | 3.63 | 1.33 | $6,700 | $7,500 | 79 | 21.7 |
| Cole Hamels (L) | at WAS | 307.3 | 20.3 | 8.3 | 12.0 | 1.20 | 3.92 | 1.24 | $9,300 | $9,300 | 98 | 23.0 |
| Matt Harvey (R) | v SD | 225.3 | 17.1 | 7.8 | 9.3 | 1.76 | 5.67 | 1.47 | $6,600 | $6,900 | 87 | 25.0 |
| Felix Hernandez (R) | v NYY | 234.3 | 19.4 | 7.9 | 11.5 | 1.57 | 5.11 | 1.35 | $6,300 | $5,500 | 108 | 22.1 |
| David Hess (R) | at TB | 82.0 | 15.3 | 8.3 | 6.9 | 1.76 | 5.27 | 1.41 | $5,800 | $7,300 | 103 | 22.6 |
| Edwin Jackson (R) | v TEX | 150.3 | 17.3 | 8.6 | 8.7 | 1.74 | 4.07 | 1.32 | $8,000 | $6,700 | 98 | 24.8 |
| Jorge Lopez (R) | at MIN | 42.3 | 17.8 | 11.9 | 5.9 | 0.64 | 4.25 | 1.54 | $6,000 | $6,400 | 95 | 22.0 |
| Lance Lynn (R) | at SEA | 324.0 | 21.2 | 10.7 | 10.5 | 1.11 | 4.14 | 1.39 | $7,400 | $7,200 | 105 | 19.9 |
| Yohander Mendez (L) | at OAK | 22.0 | 10.6 | 6.4 | 4.3 | 1.64 | 5.32 | 1.36 | $4,500 | $6,200 | 108 | 22.2 |
| Charlie Morton (R) | at BOS | 298.7 | 27.8 | 8.9 | 18.9 | 0.90 | 3.37 | 1.19 | $9,400 | $8,000 | 118 | 18.1 |
| Ivan Nova (R) | v MIA | 327.7 | 16.4 | 4.7 | 11.7 | 1.46 | 4.23 | 1.28 | $5,900 | $7,400 | 82 | 22.0 |
| Adam Plutko (R) | at TOR | 64.3 | 19.4 | 7.1 | 12.3 | 2.24 | 5.04 | 1.24 | $6,800 | $6,500 | 105 | 21.8 |
| Sean Reid-Foley (R) | v CLE | 16.3 | 26.4 | 9.7 | 16.7 | 2.20 | 5.51 | 1.47 | $7,000 | $6,300 | 108 | 18.8 |
| Eduardo Rodriguez (L) | v HOU | 247.7 | 26.0 | 7.9 | 18.1 | 1.13 | 3.82 | 1.24 | $10,000 | $8,400 | 120 | 19.6 |
| Max Scherzer (R) | v CHC | 394.3 | 34.5 | 6.6 | 27.9 | 0.98 | 2.40 | 0.89 | $12,500 | $11,700 | 104 | 20.7 |
| James Shields (R) | v LAA | 299.3 | 18.9 | 9.4 | 9.4 | 1.62 | 4.72 | 1.35 | $6,400 | $7,000 | 115 | 20.3 |
| Matt Shoemaker (R) | at CWS | 88.3 | 20.7 | 9.0 | 11.7 | 1.53 | 4.28 | 1.27 | $6,900 | $6,800 | 97 | 25.8 |
| Chris Stratton (R) | at MIL | 180.0 | 18.3 | 8.9 | 9.4 | 1.00 | 4.50 | 1.43 | $6,500 | $6,000 | 103 | 23.7 |
| Noah Syndergaard (R) | v PHI | 152.0 | 25.5 | 4.6 | 20.9 | 0.36 | 3.26 | 1.18 | $10,200 | $10,500 | 101 | 24.5 |
| Julio Teheran (R) | at ARI | 341.7 | 20.1 | 9.8 | 10.3 | 1.45 | 4.29 | 1.28 | $7,200 | $8,200 | 88 | 23.2 |
Pitcher Splits
These splits cover each pitcher's performance against left-handed and right-handed hitters since the start of the 2016 season.
Stats highlighted yellow indicate matchups favoring the pitcher. Stats highlighted blue indicate matchups favoring opposing hitters.
| v. Lefties | v. Righties | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Name | Opp | K% | BB% | K-BB | HR/9 | wOBA | K% | BB% | K-BB | HR/9 | wOBA |
| Jose Berrios (R) | v KC | 22.1 | 10.8 | 11.3 | 1.26 | 0.328 | 22.8 | 5.6 | 17.2 | 1.10 | 0.308 |
| Matt Boyd (L) | v STL | 20.8 | 6.8 | 14.0 | 0.85 | 0.291 | 19.7 | 8.0 | 11.6 | 1.33 | 0.331 |
| Clay Buchholz (R) | v ATL | 15.8 | 9.5 | 6.4 | 0.81 | 0.314 | 18.9 | 6.1 | 12.7 | 1.47 | 0.305 |
| Walker Buehler (R) | at COL | 28.4 | 7.5 | 20.9 | 0.89 | 0.275 | 25.7 | 7.6 | 18.1 | 1.10 | 0.284 |
| Diego Castillo (R) | v BAL | 25.4 | 13.4 | 11.9 | 1.69 | 0.310 | 26.3 | 7.1 | 19.2 | 0.36 | 0.237 |
| Wei-Yin Chen (L) | at PIT | 22.8 | 3.7 | 19.2 | 0.85 | 0.283 | 17.9 | 7.3 | 10.6 | 1.59 | 0.335 |
| Zach Eflin (R) | at NYM | 14.5 | 5.9 | 8.6 | 2.37 | 0.378 | 18.2 | 5.1 | 13.1 | 0.95 | 0.303 |
| Robbie Erlin (L) | at CIN | 25.2 | 4.3 | 20.9 | 0.90 | 0.292 | 18.7 | 2.7 | 16.0 | 1.22 | 0.306 |
| Jack Flaherty (R) | at DET | 24.4 | 11.0 | 13.4 | 1.27 | 0.290 | 33.8 | 6.6 | 27.2 | 1.24 | 0.283 |
| Kyle Freeland (L) | v LAD | 27.9 | 7.0 | 21.0 | 0.69 | 0.275 | 15.2 | 9.5 | 5.8 | 0.97 | 0.330 |
| Jaime Garcia (L) | at WAS | 24.2 | 5.0 | 19.2 | 1.15 | 0.293 | 18.7 | 10.2 | 8.5 | 1.31 | 0.347 |
| Gio Gonzalez (L) | v SF | 22.4 | 6.7 | 15.7 | 0.38 | 0.260 | 21.5 | 10.0 | 11.5 | 1.11 | 0.322 |
| Cole Hamels (L) | at WAS | 19.8 | 8.9 | 10.9 | 0.63 | 0.260 | 22.1 | 8.6 | 13.5 | 1.30 | 0.324 |
| Matt Harvey (R) | v SD | 16.6 | 8.7 | 7.9 | 1.73 | 0.379 | 18.8 | 6.3 | 12.6 | 1.17 | 0.324 |
| Felix Hernandez (R) | v NYY | 18.1 | 9.5 | 8.6 | 1.53 | 0.350 | 19.9 | 8.0 | 12.0 | 1.28 | 0.318 |
| David Hess (R) | at TB | 16.6 | 9.7 | 6.9 | 2.20 | 0.350 | 14.0 | 7.9 | 6.1 | 1.46 | 0.345 |
| Edwin Jackson (R) | v TEX | 17.9 | 11.2 | 6.7 | 1.29 | 0.326 | 16.4 | 7.8 | 8.6 | 2.08 | 0.364 |
| Jorge Lopez (R) | at MIN | 14.4 | 15.6 | -1.1 | 0.90 | 0.337 | 17.1 | 11.4 | 5.7 | 0.00 | 0.356 |
| Lance Lynn (R) | at SEA | 15.3 | 14.1 | 1.3 | 1.52 | 0.359 | 26.0 | 7.9 | 18.0 | 0.83 | 0.281 |
| Yohander Mendez (L) | at OAK | 16.7 | 10.0 | 6.7 | 0.00 | 0.334 | 5.0 | 6.7 | -1.7 | 2.92 | 0.424 |
| Charlie Morton (R) | at BOS | 34.1 | 10.1 | 24.0 | 0.92 | 0.290 | 22.2 | 8.1 | 14.2 | 0.85 | 0.306 |
| Ivan Nova (R) | v MIA | 12.4 | 4.3 | 8.1 | 1.59 | 0.359 | 21.2 | 4.7 | 16.5 | 1.25 | 0.310 |
| Adam Plutko (R) | at TOR | 10.4 | 10.4 | 0.0 | 2.77 | 0.442 | 25.0 | 5.9 | 19.1 | 1.50 | 0.267 |
| Sean Reid-Foley (R) | v CLE | 25.9 | 22.2 | 3.7 | 3.18 | 0.373 | 10.5 | 0.0 | 10.5 | 4.91 | 0.565 |
| Eduardo Rodriguez (L) | v HOU | 29.5 | 7.5 | 22.0 | 0.91 | 0.322 | 23.1 | 8.4 | 14.8 | 1.28 | 0.304 |
| Max Scherzer (R) | v CHC | 27.5 | 8.4 | 19.1 | 1.27 | 0.296 | 39.7 | 4.4 | 35.3 | 0.87 | 0.210 |
| James Shields (R) | v LAA | 16.7 | 11.1 | 5.6 | 1.78 | 0.349 | 19.0 | 8.2 | 10.8 | 1.78 | 0.352 |
| Matt Shoemaker (R) | at CWS | 19.0 | 4.6 | 14.4 | 0.99 | 0.306 | 23.5 | 7.6 | 15.9 | 1.48 | 0.330 |
| Chris Stratton (R) | at MIL | 14.9 | 10.7 | 4.2 | 1.04 | 0.354 | 22.3 | 7.6 | 14.7 | 0.91 | 0.324 |
| Noah Syndergaard (R) | v PHI | 26.5 | 7.0 | 19.5 | 0.48 | 0.297 | 28.2 | 3.7 | 24.5 | 0.46 | 0.269 |
| Julio Teheran (R) | at ARI | 16.8 | 12.4 | 4.4 | 1.43 | 0.330 | 24.8 | 4.1 | 20.7 | 1.23 | 0.281 |
