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 |
| David Hess | Thomas Pannone | Blue Jays | 99 | 102 | 98 | 101 | 101 | 97 | 9.5 | -200 | 12:37 PM |
| Kyle Gibson | Carlos Rodon | White Sox | 95 | 90 | 122 | 99 | 110 | 106 | 8.5 | -110 | 2:10 PM |
| Robert Stephenson | Freddy Peralta | Brewers | 105 | 103 | 131 | 96 | 108 | 103 | 9.0 | -260 | 2:10 PM |
| Mike Minor | Edwin Jackson | Athletics | 96 | 97 | 84 | ||||||
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 support@rotowire.com.
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 |
| David Hess | Thomas Pannone | Blue Jays | 99 | 102 | 98 | 101 | 101 | 97 | 9.5 | -200 | 12:37 PM |
| Kyle Gibson | Carlos Rodon | White Sox | 95 | 90 | 122 | 99 | 110 | 106 | 8.5 | -110 | 2:10 PM |
| Robert Stephenson | Freddy Peralta | Brewers | 105 | 103 | 131 | 96 | 108 | 103 | 9.0 | -260 | 2:10 PM |
| Mike Minor | Edwin Jackson | Athletics | 96 | 97 | 84 | 97 | 87 | 96 | 9.0 | -170 | 3:35 PM |
| Charlie Morton | Marco Gonzales | Mariners | 91 | 96 | 105 | 94 | 97 | 104 | 8.5 | 125 | 4:10 PM |
| Zach Eflin | Stephen Strasburg | Nationals | 100 | 98 | 89 | 105 | 114 | 98 | 8.5 | -185 | 7:05 PM |
| Julio Teheran | Trevor Williams | Pirates | 96 | 97 | 101 | 103 | 83 | 94 | 8.0 | -115 | 7:05 PM |
| Carlos Carrasco | Brian Johnson | Red Sox | 114 | 112 | 78 | 109 | 105 | 99 | 9.0 | 105 | 7:10 PM |
| Jakob Junis | Yonny Chirinos | Rays | 92 | 95 | 97 | 94 | 90 | 110 | 7:10 PM | ||
| Jon Lester | Francisco Liriano | Tigers | 103 | 98 | 104 | 103 | 101 | 104 | 9.5 | 160 | 7:10 PM |
| Casey Kelly | Noah Syndergaard | Mets | 90 | 93 | 101 | 90 | 92 | 106 | 7.5 | -170 | 7:10 PM |
| Lance Lynn | Trevor Richards | Marlins | 84 | 93 | 86 | 91 | 83 | 103 | 7.5 | 160 | 7:10 PM |
| Jacob Nix | Jon Gray | Rockies | 138 | 121 | 117 | 116 | 118 | 87 | 10.5 | -255 | 8:40 PM |
| Odrisamer Despaigne | Clay Buchholz | Diamondbacks | 116 | 109 | 106 | 105 | 111 | 100 | 8.5 | -200 | 9:40 PM |
| Jack Flaherty | Walker Buehler | Dodgers | 90 | 95 | 113 | 96 | 90 | 103 | 7.5 | -170 | 10:10 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% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clay Buchholz (R) | v LAA | 80.3 | 19.7 | 5.7 | 14.0 | 1.01 | 3.36 | 1.21 | $10,000 | $8,900 | 122 | 19.9 |
| Walker Buehler (R) | v STL | 96.7 | 26.6 | 7.3 | 19.2 | 1.12 | 3.63 | 1.14 | $10,400 | $9,100 | 99 | 21.1 |
| Carlos Carrasco (R) | at BOS | 343.3 | 28.1 | 5.4 | 22.8 | 0.97 | 3.30 | 1.10 | $9,500 | $10,400 | 119 | 17.9 |
| Yonny Chirinos (R) | v KC | 52.3 | 19.8 | 6.8 | 13.1 | 0.69 | 3.96 | 1.26 | $5,300 | $5,600 | 84 | 21.6 |
| Odrisamer Despaigne (R) | at ARI | 82.7 | 14.3 | 9.1 | 5.2 | 0.44 | 4.68 | 1.44 | $4,400 | $5,500 | 94 | 22.7 |
| Zach Eflin (R) | at WAS | 161.7 | 18.6 | 5.0 | 13.5 | 1.61 | 4.68 | 1.24 | $8,600 | $8,700 | 99 | 20.0 |
| Jack Flaherty (R) | at LAD | 130.7 | 28.7 | 9.1 | 19.6 | 1.31 | 3.58 | 1.16 | $10,900 | $9,200 | 118 | 21.9 |
| Kyle Gibson (R) | at CWS | 312.0 | 19.9 | 9.1 | 10.8 | 1.13 | 4.30 | 1.40 | $9,000 | $8,400 | 96 | 26.1 |
| Marco Gonzales (L) | v HOU | 182.7 | 20.3 | 5.0 | 15.3 | 1.18 | 4.39 | 1.35 | $6,600 | $8,000 | 118 | 19.9 |
| Jon Gray (R) | v SD | 244.7 | 26.0 | 6.6 | 19.4 | 0.92 | 4.27 | 1.29 | $7,800 | $8,600 | 87 | 25.0 |
| David Hess (R) | at TOR | 65.0 | 13.7 | 9.6 | 4.1 | 2.08 | 5.95 | 1.51 | $4,300 | $6,200 | 102 | 22.7 |
| Edwin Jackson (R) | v TEX | 135.3 | 17.9 | 8.3 | 9.5 | 1.80 | 4.06 | 1.32 | $8,000 | $7,000 | 100 | 25.1 |
| Brian Johnson (L) | v CLE | 105.7 | 20.3 | 7.6 | 12.6 | 1.36 | 4.09 | 1.40 | $6,300 | $6,000 | 102 | 18.9 |
| Jakob Junis (R) | at TB | 230.7 | 20.7 | 6.5 | 14.2 | 1.60 | 4.57 | 1.30 | $7,200 | $6,600 | 101 | 22.6 |
| Casey Kelly (R) | at NYM | 10.7 | 11.1 | 6.7 | 4.4 | 0.00 | 1.69 | 1.50 | $5,000 | $5,700 | 97 | 22.7 |
| Jon Lester (L) | at DET | 321.0 | 21.6 | 8.3 | 13.4 | 1.35 | 4.07 | 1.32 | $8,200 | $7,700 | 97 | 20.8 |
| Francisco Liriano (L) | v CHC | 194.3 | 18.8 | 12.8 | 5.9 | 1.25 | 5.19 | 1.57 | $4,900 | $5,600 | 100 | 21.7 |
| Lance Lynn (R) | at MIA | 309.3 | 21.1 | 11.1 | 10.0 | 1.13 | 3.93 | 1.36 | $8,000 | $7,500 | 83 | 22.1 |
| Mike Minor (L) | at OAK | 200.7 | 23.1 | 6.0 | 17.1 | 1.12 | 3.81 | 1.11 | $6,000 | $7,300 | 112 | 22.1 |
| Charlie Morton (R) | at SEA | 289.0 | 28.1 | 8.8 | 19.3 | 0.87 | 3.21 | 1.17 | $10,000 | $9,500 | 106 | 19.8 |
| Jacob Nix (R) | at COL | 6.7 | 14.7 | 11.8 | 2.9 | 1.35 | 6.75 | 1.95 | $4,100 | $5,800 | 83 | 23.4 |
| Thomas Pannone (L) | v BAL | 4.3 | 35.3 | 5.9 | 29.4 | 0.00 | 4.15 | 0.92 | $5,100 | $5,900 | 68 | 24.4 |
| Freddy Peralta (R) | v CIN | 62.3 | 30.5 | 13.9 | 16.6 | 0.87 | 4.48 | 1.17 | $7,500 | $7,900 | 102 | 20.4 |
| Trevor Richards (R) | v NYY | 90.3 | 22.4 | 10.2 | 12.2 | 0.90 | 4.28 | 1.44 | $5,800 | $6,500 | 112 | 21.8 |
| Carlos Rodon (L) | v MIN | 149.7 | 22.7 | 9.7 | 12.9 | 1.20 | 3.37 | 1.18 | $9,300 | $8,800 | 85 | 24.2 |
| Robert Stephenson (R) | at MIL | 90.3 | 22.2 | 15.0 | 7.2 | 1.20 | 4.88 | 1.64 | $4,100 | $5,500 | 97 | 22.9 |
| Stephen Strasburg (R) | v PHI | 260.7 | 29.0 | 6.5 | 22.5 | 0.86 | 2.97 | 1.06 | $9,900 | $10,100 | 105 | 23.1 |
| Noah Syndergaard (R) | v SF | 131.0 | 25.2 | 4.3 | 20.8 | 0.41 | 3.30 | 1.21 | $10,200 | $9,800 | 94 | 22.7 |
| Julio Teheran (R) | at PIT | 322.0 | 20.1 | 10.0 | 10.1 | 1.51 | 4.39 | 1.31 | $8,100 | $8,200 | 98 | 19.2 |
| Trevor Williams (R) | v ATL | 280.3 | 17.2 | 8.0 | 9.1 | 0.90 | 3.82 | 1.27 | $6,800 | $6,700 | 98 | 20.4 |
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 |
| Clay Buchholz (R) | v LAA | 15.8 | 9.9 | 6.0 | 0.85 | 0.319 | 18.6 | 6.1 | 12.5 | 1.58 | 0.311 |
| Walker Buehler (R) | v STL | 27.3 | 7.7 | 19.7 | 0.99 | 0.284 | 25.9 | 7.1 | 18.9 | 1.24 | 0.289 |
| Carlos Carrasco (R) | at BOS | 27.3 | 6.5 | 20.8 | 1.32 | 0.307 | 27.1 | 4.6 | 22.6 | 0.85 | 0.281 |
| Yonny Chirinos (R) | v KC | 20.6 | 8.4 | 12.1 | 1.04 | 0.292 | 19.1 | 5.2 | 13.9 | 0.34 | 0.322 |
| Odrisamer Despaigne (R) | at ARI | 12.0 | 10.8 | 1.2 | 0.66 | 0.356 | 15.7 | 8.8 | 6.8 | 0.46 | 0.301 |
| Zach Eflin (R) | at WAS | 14.5 | 5.8 | 8.7 | 2.38 | 0.371 | 18.4 | 4.9 | 13.5 | 0.98 | 0.301 |
| Jack Flaherty (R) | at LAD | 24.3 | 11.6 | 12.7 | 1.27 | 0.297 | 33.1 | 6.7 | 26.4 | 1.35 | 0.296 |
| Kyle Gibson (R) | at CWS | 16.8 | 9.0 | 7.8 | 1.00 | 0.348 | 20.3 | 8.7 | 11.6 | 1.29 | 0.325 |
| Marco Gonzales (L) | v HOU | 17.5 | 3.6 | 13.9 | 1.74 | 0.358 | 20.9 | 5.3 | 15.6 | 1.07 | 0.332 |
| Jon Gray (R) | v SD | 25.6 | 7.5 | 18.1 | 1.07 | 0.311 | 26.4 | 7.0 | 19.4 | 0.79 | 0.310 |
| David Hess (R) | at TOR | 14.5 | 10.5 | 3.9 | 2.34 | 0.370 | 12.9 | 8.6 | 4.3 | 1.78 | 0.368 |
| Edwin Jackson (R) | v TEX | 18.4 | 11.0 | 7.4 | 1.17 | 0.322 | 16.2 | 7.8 | 8.4 | 2.17 | 0.366 |
| Brian Johnson (L) | v CLE | 23.8 | 7.9 | 15.8 | 0.73 | 0.284 | 19.3 | 7.5 | 11.7 | 1.56 | 0.342 |
| Jakob Junis (R) | at TB | 18.5 | 7.7 | 10.8 | 1.47 | 0.346 | 22.8 | 5.3 | 17.5 | 1.72 | 0.326 |
| Casey Kelly (R) | at NYM | 5.0 | 5.0 | 0.0 | 0.00 | 0.363 | 10.3 | 8.0 | 2.3 | 0.47 | 0.336 |
| Jon Lester (L) | at DET | 27.6 | 5.1 | 22.5 | 0.93 | 0.272 | 21.4 | 8.4 | 13.0 | 1.27 | 0.311 |
| Francisco Liriano (L) | v CHC | 22.7 | 8.7 | 14.0 | 0.86 | 0.291 | 20.1 | 13.3 | 6.9 | 1.48 | 0.359 |
| Lance Lynn (R) | at MIA | 15.3 | 14.3 | 1.0 | 1.58 | 0.360 | 26.1 | 8.3 | 17.8 | 0.81 | 0.279 |
| Mike Minor (L) | at OAK | 29.1 | 4.8 | 24.3 | 0.56 | 0.248 | 21.2 | 6.4 | 14.9 | 1.30 | 0.313 |
| Charlie Morton (R) | at SEA | 34.6 | 9.7 | 24.8 | 0.88 | 0.285 | 22.2 | 8.2 | 14.0 | 0.83 | 0.305 |
| Jacob Nix (R) | at COL | 13.6 | 9.1 | 4.5 | 2.25 | 0.449 | 16.7 | 16.7 | 0.0 | 0.00 | 0.262 |
| Thomas Pannone (L) | v BAL | 40.0 | 10.0 | 30.0 | 0.00 | 0.315 | 33.3 | 0.0 | 33.3 | 0.00 | 0.295 |
| Freddy Peralta (R) | v CIN | 28.2 | 16.8 | 11.5 | 1.30 | 0.370 | 32.8 | 10.9 | 21.9 | 0.52 | 0.193 |
| Trevor Richards (R) | v NYY | 24.5 | 12.5 | 12.0 | 0.40 | 0.276 | 20.6 | 8.1 | 12.4 | 1.38 | 0.385 |
| Carlos Rodon (L) | v MIN | 26.1 | 6.7 | 19.4 | 0.83 | 0.277 | 22.3 | 9.0 | 13.3 | 1.34 | 0.322 |
| Robert Stephenson (R) | at MIL | 20.0 | 15.6 | 4.4 | 1.74 | 0.361 | 22.0 | 12.4 | 9.6 | 1.28 | 0.350 |
| Stephen Strasburg (R) | v PHI | 28.7 | 8.0 | 20.8 | 0.92 | 0.264 | 30.4 | 5.6 | 24.8 | 0.84 | 0.280 |
| Noah Syndergaard (R) | v SF | 27.0 | 6.7 | 20.3 | 0.50 | 0.297 | 28.0 | 3.8 | 24.2 | 0.47 | 0.268 |
| Julio Teheran (R) | at PIT | 17.0 | 12.6 | 4.4 | 1.44 | 0.332 | 24.6 | 4.1 | 20.5 | 1.25 | 0.283 |
| Trevor Williams (R) | v ATL | 14.3 | 7.7 | 6.7 | 1.04 | 0.321 | 19.9 | 8.4 | 11.5 | 0.94 | 0.303 |
