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 |
| Mike Fiers | Ryan Borucki | Blue Jays | 99 | 102 | 98 | 101 | 101 | 97 | 9.5 | -160 | 1:07 PM |
| Rick Porcello | Max Scherzer | Nationals | 100 | 98 | 89 | 105 | 114 | 98 | 7.5 | -180 | 7:05 PM |
| Anibal Sanchez | Domingo German | Yankees | 103 | 95 | 142 | 99 | 123 | 92 | 9.5 | -200 | 7:05 PM |
| James Shields | Luis Castillo | Reds | 104 | 100 | 119 | 98 | |||||
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 |
| Mike Fiers | Ryan Borucki | Blue Jays | 99 | 102 | 98 | 101 | 101 | 97 | 9.5 | -160 | 1:07 PM |
| Rick Porcello | Max Scherzer | Nationals | 100 | 98 | 89 | 105 | 114 | 98 | 7.5 | -180 | 7:05 PM |
| Anibal Sanchez | Domingo German | Yankees | 103 | 95 | 142 | 99 | 123 | 92 | 9.5 | -200 | 7:05 PM |
| James Shields | Luis Castillo | Reds | 104 | 100 | 119 | 98 | 108 | 106 | 9.5 | -200 | 7:10 PM |
| Nathan Eovaldi | Wei-Yin Chen | Marlins | 84 | 93 | 86 | 91 | 83 | 103 | 7.5 | 115 | 7:10 PM |
| Kyle Gibson | Brent Suter | Brewers | 105 | 103 | 131 | 96 | 108 | 103 | 8.5 | -145 | 8:10 PM |
| Corey Kluber | Jakob Junis | Royals | 103 | 102 | 85 | 102 | 76 | 94 | 8.0 | 235 | 8:15 PM |
| Madison Bumgarner | Kyle Freeland | Rockies | 138 | 121 | 117 | 116 | 118 | 87 | 10.5 | 100 | 8:40 PM |
| Carlos Martinez | Robbie Ray | Diamondbacks | 116 | 109 | 106 | 105 | 111 | 100 | 8.0 | -160 | 9:40 PM |
| Nick Kingham | Alex Wood | Dodgers | 90 | 95 | 113 | 96 | 90 | 103 | 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% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Ryan Borucki (L) | v DET | 6.0 | 11.1 | 14.8 | -3.7 | 0.00 | 3.00 | 1.67 | $5,600 | 113 | 18.9 | |
| Madison Bumgarner (L) | at COL | 143.3 | 21.7 | 5.0 | 16.7 | 1.26 | 3.14 | 1.07 | $11,300 | $8,100 | 98 | 21.6 |
| Luis Castillo (R) | v CWS | 177.0 | 24.7 | 8.8 | 15.9 | 1.47 | 4.47 | 1.24 | $5,700 | $7,100 | 97 | 24.7 |
| Wei-Yin Chen (L) | v TB | 88.7 | 17.1 | 8.8 | 8.3 | 1.32 | 5.28 | 1.40 | $4,600 | $5,900 | 107 | 23.9 |
| Nathan Eovaldi (R) | at MIA | 35.3 | 22.4 | 3.7 | 18.7 | 2.04 | 4.08 | 0.82 | $8,700 | $6,300 | 89 | 22.9 |
| Mike Fiers (R) | at TOR | 238.0 | 20.2 | 7.8 | 12.4 | 1.82 | 4.80 | 1.38 | $6,800 | 103 | 23.8 | |
| Kyle Freeland (L) | v SF | 254.3 | 17.2 | 8.7 | 8.5 | 0.99 | 3.79 | 1.38 | $7,000 | $6,800 | 92 | 21.8 |
| Domingo German (R) | v ATL | 78.7 | 27.8 | 9.0 | 18.8 | 1.37 | 4.92 | 1.25 | $8,500 | $7,800 | 99 | 19.2 |
| Kyle Gibson (R) | at MIL | 253.7 | 19.6 | 9.1 | 10.4 | 1.21 | 4.47 | 1.42 | $7,800 | $7,700 | 102 | 24.3 |
| Jakob Junis (R) | v CLE | 194.7 | 20.4 | 6.2 | 14.1 | 1.71 | 4.48 | 1.27 | $7,100 | $7,400 | 112 | 20.9 |
| Nick Kingham (R) | at LAD | 35.3 | 24.3 | 4.9 | 19.4 | 1.02 | 3.82 | 0.99 | $7,600 | $7,900 | 109 | 22.0 |
| Corey Kluber (R) | at KC | 317.0 | 31.5 | 4.1 | 27.5 | 1.05 | 2.36 | 0.86 | $12,500 | $11,200 | 78 | 19.7 |
| Carlos Martinez (R) | at ARI | 277.7 | 24.5 | 9.6 | 14.9 | 0.97 | 3.53 | 1.27 | $8,100 | $7,400 | 80 | 23.3 |
| Rick Porcello (R) | at WAS | 308.3 | 21.1 | 5.4 | 15.7 | 1.40 | 4.29 | 1.31 | $9,300 | $9,100 | 99 | 21.0 |
| Robbie Ray (L) | v STL | 195.7 | 33.2 | 11.1 | 22.1 | 1.29 | 3.08 | 1.19 | $9,900 | $9,400 | 89 | 22.6 |
| Anibal Sanchez (R) | at NYY | 152.3 | 22.0 | 6.7 | 15.3 | 1.89 | 5.26 | 1.44 | $6,300 | $6,800 | 114 | 22.5 |
| Max Scherzer (R) | v BOS | 315.3 | 35.3 | 6.7 | 28.7 | 0.91 | 2.34 | 0.88 | $13,300 | $11,700 | 121 | 18.9 |
| James Shields (R) | at CIN | 224.0 | 18.2 | 9.7 | 8.5 | 1.57 | 4.78 | 1.35 | $5,900 | $6,200 | 102 | 20.2 |
| Brent Suter (L) | v MIN | 170.0 | 19.4 | 5.7 | 13.7 | 1.16 | 3.86 | 1.22 | $6,500 | $7,200 | 89 | 22.4 |
| Alex Wood (L) | v PIT | 240.0 | 23.7 | 5.5 | 18.2 | 0.94 | 3.19 | 1.10 | $8,900 | $8,300 | 104 | 21.5 |
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 |
| Ryan Borucki (L) | v DET | 16.7 | 0.0 | 16.7 | 0.00 | 0.358 | 9.5 | 19.0 | -9.5 | 0.00 | 0.354 |
| Madison Bumgarner (L) | at COL | 28.3 | 5.1 | 23.2 | 0.63 | 0.224 | 24.6 | 5.7 | 18.9 | 1.23 | 0.288 |
| Luis Castillo (R) | v CWS | 22.0 | 9.3 | 12.7 | 1.61 | 0.327 | 27.2 | 8.3 | 18.9 | 1.35 | 0.301 |
| Wei-Yin Chen (L) | v TB | 22.2 | 3.5 | 18.7 | 0.66 | 0.289 | 17.4 | 7.1 | 10.3 | 1.68 | 0.345 |
| Nathan Eovaldi (R) | at MIA | 19.0 | 9.5 | 9.5 | 1.84 | 0.352 | 19.5 | 4.7 | 14.8 | 1.67 | 0.293 |
| Mike Fiers (R) | at TOR | 19.1 | 8.1 | 11.0 | 1.54 | 0.336 | 19.8 | 6.0 | 13.8 | 1.73 | 0.356 |
| Kyle Freeland (L) | v SF | 28.5 | 6.5 | 21.9 | 0.87 | 0.303 | 13.7 | 9.4 | 4.3 | 1.03 | 0.332 |
| Domingo German (R) | v ATL | 23.1 | 8.8 | 14.4 | 1.15 | 0.294 | 32.0 | 9.1 | 22.9 | 1.59 | 0.335 |
| Kyle Gibson (R) | at MIL | 17.1 | 9.0 | 8.1 | 1.01 | 0.352 | 19.2 | 8.8 | 10.4 | 1.39 | 0.329 |
| Jakob Junis (R) | v CLE | 18.0 | 7.0 | 11.0 | 1.38 | 0.334 | 22.5 | 5.5 | 17.0 | 2.00 | 0.330 |
| Nick Kingham (R) | at LAD | 15.7 | 7.1 | 8.6 | 0.54 | 0.301 | 32.4 | 2.7 | 29.7 | 1.45 | 0.240 |
| Corey Kluber (R) | at KC | 27.4 | 6.0 | 21.4 | 1.02 | 0.265 | 31.2 | 4.3 | 26.9 | 0.98 | 0.249 |
| Carlos Martinez (R) | at ARI | 20.1 | 11.7 | 8.4 | 0.98 | 0.323 | 26.9 | 6.4 | 20.5 | 0.73 | 0.263 |
| Rick Porcello (R) | at WAS | 21.9 | 5.2 | 16.7 | 1.22 | 0.308 | 20.5 | 4.2 | 16.3 | 1.19 | 0.306 |
| Robbie Ray (L) | v STL | 35.5 | 5.9 | 29.6 | 1.08 | 0.289 | 29.4 | 11.3 | 18.1 | 1.32 | 0.314 |
| Anibal Sanchez (R) | at NYY | 22.9 | 9.0 | 13.9 | 1.54 | 0.338 | 19.3 | 5.7 | 13.7 | 2.11 | 0.370 |
| Max Scherzer (R) | v BOS | 27.2 | 8.6 | 18.6 | 1.39 | 0.305 | 40.9 | 4.2 | 36.7 | 0.71 | 0.198 |
| James Shields (R) | at CIN | 15.7 | 11.5 | 4.3 | 1.78 | 0.353 | 19.0 | 8.2 | 10.8 | 1.72 | 0.346 |
| Brent Suter (L) | v MIN | 15.8 | 6.7 | 9.1 | 1.27 | 0.307 | 20.2 | 5.3 | 14.9 | 1.14 | 0.313 |
| Alex Wood (L) | v PIT | 24.1 | 5.3 | 18.8 | 0.47 | 0.280 | 24.2 | 6.2 | 18.0 | 1.05 | 0.280 |
