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 |
| Kyle Gibson | Trevor Bauer | Indians | 114 | 114 | 110 | 102 | 98 | 94 | 8.0 | -200 | 7:10 PM |
| Homer Bailey | Noah Syndergaard | Mets | 90 | 93 | 101 | 90 | 92 | 106 | 7.5 | -165 | 7:10 PM |
| Luke Weaver | Wei-Yin Chen | Marlins | 84 | 93 | 86 | 91 | 83 | 103 | 8.5 | 135 | 7:10 PM |
| Wade LeBlanc | Martin Perez | Rangers | 117 | 108 | 107 | 110 | 106 | ||||
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 |
| Kyle Gibson | Trevor Bauer | Indians | 114 | 114 | 110 | 102 | 98 | 94 | 8.0 | -200 | 7:10 PM |
| Homer Bailey | Noah Syndergaard | Mets | 90 | 93 | 101 | 90 | 92 | 106 | 7.5 | -165 | 7:10 PM |
| Luke Weaver | Wei-Yin Chen | Marlins | 84 | 93 | 86 | 91 | 83 | 103 | 8.5 | 135 | 7:10 PM |
| Wade LeBlanc | Martin Perez | Rangers | 117 | 108 | 107 | 110 | 106 | 93 | 10.5 | 110 | 8:05 PM |
| Lance Lynn | Dylan Covey | White Sox | 95 | 90 | 122 | 99 | 110 | 106 | 9.5 | 175 | 8:10 PM |
| Cole Hamels | Jakob Junis | Royals | 103 | 102 | 85 | 102 | 76 | 94 | 9.0 | 175 | 8:15 PM |
| Joe Musgrove | Kyle Freeland | Rockies | 138 | 121 | 117 | 116 | 118 | 87 | 11.0 | -145 | 8:40 PM |
| Jake Arrieta | Zack Godley | Diamondbacks | 116 | 109 | 106 | 105 | 111 | 100 | 8.5 | -135 | 9:40 PM |
| Matt Boyd | Nick Tropeano | Angels | 91 | 96 | 91 | 96 | 102 | 109 | 10:07 PM | ||
| Charlie Morton | Dereck Rodriguez | Giants | 90 | 97 | 53 | 100 | 74 | 99 | 7.5 | 130 | 10:15 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% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jake Arrieta (R) | at ARI | 287.7 | 20.9 | 7.8 | 13.1 | 1.06 | 3.44 | 1.23 | $7,800 | $8,000 | 93 | 22.9 |
| Homer Bailey (R) | at NYM | 167.7 | 15.5 | 9.0 | 6.5 | 1.45 | 6.17 | 1.61 | $5,500 | $6,200 | 92 | 22.2 |
| Trevor Bauer (R) | v MIN | 330.0 | 28.3 | 8.2 | 20.1 | 0.87 | 3.33 | 1.25 | $12,300 | $11,500 | 97 | 20.6 |
| Matt Boyd (L) | at LAA | 252.3 | 19.9 | 8.4 | 11.4 | 1.07 | 4.78 | 1.37 | $7,600 | $7,600 | 89 | 20.4 |
| Wei-Yin Chen (L) | v STL | 116.0 | 17.4 | 8.6 | 8.8 | 1.32 | 5.28 | 1.36 | $4,300 | $5,900 | 106 | 22.2 |
| Dylan Covey (R) | v NYY | 142.7 | 14.4 | 10.5 | 3.9 | 1.77 | 6.62 | 1.62 | $4,100 | $5,500 | 109 | 22.5 |
| Kyle Freeland (L) | v PIT | 288.0 | 17.0 | 8.8 | 8.2 | 0.94 | 3.69 | 1.39 | $6,600 | $7,800 | 96 | 21.4 |
| Kyle Gibson (R) | at CLE | 293.0 | 20.2 | 9.0 | 11.2 | 1.14 | 4.33 | 1.39 | $8,600 | $8,300 | 110 | 19.2 |
| Zack Godley (R) | v PHI | 278.0 | 25.1 | 9.5 | 15.6 | 0.87 | 3.85 | 1.29 | $8,700 | $8,700 | 104 | 24.2 |
| Cole Hamels (L) | at KC | 267.3 | 20.1 | 8.5 | 11.5 | 1.38 | 4.34 | 1.27 | $9,000 | $8,500 | 90 | 25.0 |
| Jakob Junis (R) | v CHC | 214.3 | 20.0 | 6.4 | 13.5 | 1.72 | 4.74 | 1.32 | $6,000 | $6,400 | 110 | 20.5 |
| Wade LeBlanc (L) | at TEX | 175.0 | 19.3 | 5.4 | 13.9 | 1.39 | 4.17 | 1.19 | $7,300 | $6,800 | 106 | 22.8 |
| Lance Lynn (R) | at CWS | 293.0 | 20.4 | 11.1 | 9.4 | 1.20 | 3.96 | 1.37 | $7,100 | $7,400 | 98 | 25.5 |
| Charlie Morton (R) | at SF | 271.0 | 28.4 | 8.8 | 19.6 | 0.90 | 3.29 | 1.18 | $11,100 | $9,800 | 100 | 22.6 |
| Joe Musgrove (R) | at COL | 176.3 | 20.3 | 6.3 | 14.0 | 1.22 | 4.34 | 1.31 | $5,800 | $6,600 | 83 | 23.8 |
| Martin Perez (L) | v SEA | 230.7 | 14.1 | 8.1 | 5.9 | 1.29 | 5.15 | 1.62 | $5,200 | $5,800 | 103 | 19.4 |
| Dereck Rodriguez (R) | v HOU | 66.0 | 19.8 | 6.6 | 13.2 | 0.55 | 2.59 | 1.12 | $8,900 | $9,000 | 110 | 19.2 |
| Noah Syndergaard (R) | v CIN | 112.0 | 26.0 | 4.1 | 21.9 | 0.48 | 2.97 | 1.18 | $9,600 | $9,400 | 105 | 20.0 |
| Nick Tropeano (R) | v DET | 71.0 | 20.0 | 10.0 | 10.0 | 1.90 | 4.94 | 1.37 | $6,200 | $7,200 | 76 | 22.6 |
| Luke Weaver (R) | at MIA | 176.0 | 23.5 | 7.9 | 15.6 | 1.12 | 4.45 | 1.36 | $7,200 | $7,000 | 90 | 22.8 |
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 |
| Jake Arrieta (R) | at ARI | 22.7 | 11.4 | 11.3 | 1.07 | 0.317 | 21.6 | 6.0 | 15.5 | 0.82 | 0.262 |
| Homer Bailey (R) | at NYM | 15.5 | 10.7 | 4.8 | 1.40 | 0.367 | 17.7 | 6.8 | 10.9 | 1.34 | 0.369 |
| Trevor Bauer (R) | v MIN | 25.7 | 8.3 | 17.4 | 1.01 | 0.309 | 25.3 | 8.4 | 16.9 | 0.80 | 0.302 |
| Matt Boyd (L) | at LAA | 19.8 | 6.7 | 13.1 | 0.80 | 0.298 | 19.9 | 8.4 | 11.5 | 1.31 | 0.331 |
| Wei-Yin Chen (L) | v STL | 21.8 | 3.6 | 18.3 | 0.76 | 0.285 | 17.5 | 7.3 | 10.2 | 1.64 | 0.343 |
| Dylan Covey (R) | v NYY | 17.2 | 10.7 | 6.4 | 1.68 | 0.359 | 11.5 | 10.2 | 1.3 | 1.86 | 0.379 |
| Kyle Freeland (L) | v PIT | 27.5 | 7.3 | 20.2 | 0.79 | 0.296 | 13.9 | 9.3 | 4.6 | 0.98 | 0.331 |
| Kyle Gibson (R) | at CLE | 16.9 | 8.9 | 8.0 | 1.00 | 0.346 | 20.4 | 8.7 | 11.7 | 1.31 | 0.325 |
| Zack Godley (R) | v PHI | 22.8 | 10.8 | 12.0 | 0.87 | 0.324 | 24.2 | 7.5 | 16.7 | 1.16 | 0.308 |
| Cole Hamels (L) | at KC | 18.9 | 8.9 | 10.0 | 0.69 | 0.266 | 22.2 | 8.7 | 13.4 | 1.38 | 0.327 |
| Jakob Junis (R) | v CHC | 18.0 | 7.4 | 10.6 | 1.57 | 0.350 | 21.9 | 5.5 | 16.4 | 1.86 | 0.330 |
| Wade LeBlanc (L) | at TEX | 18.1 | 3.1 | 15.1 | 1.50 | 0.337 | 20.0 | 5.9 | 14.1 | 1.58 | 0.307 |
| Lance Lynn (R) | at CWS | 14.8 | 14.1 | 0.7 | 1.66 | 0.360 | 25.3 | 8.5 | 16.8 | 0.86 | 0.285 |
| Charlie Morton (R) | at SF | 34.8 | 9.7 | 25.1 | 0.85 | 0.279 | 22.5 | 8.3 | 14.2 | 0.89 | 0.309 |
| Joe Musgrove (R) | at COL | 21.7 | 7.0 | 14.8 | 1.08 | 0.335 | 19.6 | 5.7 | 13.9 | 1.39 | 0.319 |
| Martin Perez (L) | v SEA | 19.8 | 7.3 | 12.6 | 0.52 | 0.281 | 11.6 | 8.8 | 2.8 | 1.21 | 0.361 |
| Dereck Rodriguez (R) | v HOU | 17.5 | 5.6 | 11.9 | 0.59 | 0.314 | 21.8 | 7.5 | 14.3 | 0.50 | 0.274 |
| Noah Syndergaard (R) | v CIN | 28.4 | 6.8 | 21.5 | 0.53 | 0.294 | 27.7 | 3.6 | 24.1 | 0.50 | 0.269 |
| Nick Tropeano (R) | v DET | 22.0 | 12.3 | 9.7 | 1.71 | 0.378 | 20.9 | 8.0 | 12.9 | 2.03 | 0.334 |
| Luke Weaver (R) | at MIA | 22.4 | 9.1 | 13.3 | 1.33 | 0.346 | 25.8 | 6.6 | 19.3 | 1.14 | 0.312 |
