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 |
| Brett Kennedy | Anthony DeSclafani | Reds | 104 | 100 | 119 | 98 | 108 | 106 | 9.0 | -160 | 6:40 PM |
| Jon Lester | Joe Ross | Nationals | 100 | 98 | 89 | 105 | 114 | 98 | 9.0 | 120 | 7:05 PM |
| Dan Straily | Chris Archer | Pirates | 96 | 97 | 101 | 103 | 83 | 94 | 7.5 | -210 | 7:05 PM |
| Carlos Carrasco | Marco Estrada | Blue Jays | 99 | 102 | 98 | 101 | |||||
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 |
| Brett Kennedy | Anthony DeSclafani | Reds | 104 | 100 | 119 | 98 | 108 | 106 | 9.0 | -160 | 6:40 PM |
| Jon Lester | Joe Ross | Nationals | 100 | 98 | 89 | 105 | 114 | 98 | 9.0 | 120 | 7:05 PM |
| Dan Straily | Chris Archer | Pirates | 96 | 97 | 101 | 103 | 83 | 94 | 7.5 | -210 | 7:05 PM |
| Carlos Carrasco | Marco Estrada | Blue Jays | 99 | 102 | 98 | 101 | 101 | 97 | 9.0 | 185 | 7:07 PM |
| Gerrit Cole | David Price | Red Sox | 114 | 112 | 78 | 109 | 105 | 99 | 8.5 | -105 | 7:10 PM |
| Dylan Bundy | Blake Snell | Rays | 92 | 95 | 97 | 94 | 90 | 110 | 7.0 | -255 | 7:10 PM |
| Austin Gomber | Daniel Norris | Tigers | 103 | 98 | 104 | 103 | 101 | 104 | 9.0 | 130 | 7:10 PM |
| Aaron Nola | Steven Matz | Mets | 90 | 93 | 101 | 90 | 92 | 106 | 7.0 | 130 | 7:10 PM |
| Felix Pena | Carlos Rodon | White Sox | 95 | 90 | 122 | 99 | 110 | 106 | 8:10 PM | ||
| Derek Holland | Chase Anderson | Brewers | 105 | 103 | 131 | 96 | 108 | 103 | 8.5 | -170 | 8:10 PM |
| Heath Fillmyer | Stephen Gonsalves | Twins | 105 | 103 | 95 | 105 | 113 | 93 | 9.5 | -150 | 8:10 PM |
| Clayton Kershaw | Jon Gray | Rockies | 138 | 121 | 117 | 116 | 118 | 87 | 9.5 | 130 | 8:40 PM |
| Kevin Gausman | Patrick Corbin | Diamondbacks | 116 | 109 | 106 | 105 | 111 | 100 | 7.5 | -160 | 9:40 PM |
| Yovani Gallardo | Chris Bassitt | Athletics | 96 | 97 | 84 | 97 | 87 | 96 | 9.0 | -170 | 10:05 PM |
| Masahiro Tanaka | James Paxton | Mariners | 91 | 96 | 105 | 94 | 97 | 104 | 7.5 | -115 | 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% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chase Anderson (R) | v SF | 286.7 | 21.3 | 7.9 | 13.4 | 1.32 | 3.36 | 1.13 | $7,000 | $7,200 | 86 | 23.4 |
| Chris Archer (R) | v MIA | 325.3 | 27.3 | 7.3 | 20.0 | 1.16 | 4.26 | 1.32 | $7,300 | $7,400 | 82 | 22.0 |
| Chris Bassitt (R) | v TEX | 36.7 | 17.3 | 9.3 | 8.0 | 0.74 | 3.19 | 1.34 | $4,500 | $6,400 | 98 | 24.8 |
| Dylan Bundy (R) | at TB | 315.7 | 23.0 | 7.1 | 15.9 | 1.74 | 4.76 | 1.29 | $6,500 | $6,500 | 103 | 22.6 |
| Carlos Carrasco (R) | at TOR | 361.0 | 28.4 | 5.4 | 23.0 | 1.00 | 3.39 | 1.11 | $11,600 | $10,800 | 105 | 21.8 |
| Gerrit Cole (R) | at BOS | 379.3 | 28.3 | 7.2 | 21.1 | 1.12 | 3.61 | 1.15 | $10,200 | $10,400 | 118 | 18.1 |
| Patrick Corbin (L) | v ATL | 363.3 | 25.9 | 6.7 | 19.1 | 0.94 | 3.57 | 1.22 | $11,000 | $10,500 | 107 | 20.7 |
| Anthony DeSclafani (R) | v SD | 90.7 | 21.0 | 6.1 | 14.9 | 1.79 | 4.37 | 1.24 | $7,500 | 87 | 25.0 | |
| Marco Estrada (R) | v CLE | 310.3 | 19.8 | 8.5 | 11.3 | 1.62 | 5.16 | 1.39 | $4,100 | $6,000 | 108 | 18.8 |
| Heath Fillmyer (R) | at MIN | 58.3 | 14.6 | 10.6 | 4.1 | 1.23 | 4.01 | 1.39 | $4,300 | $6,300 | 95 | 22.0 |
| Yovani Gallardo (R) | at OAK | 203.0 | 15.3 | 10.5 | 4.8 | 1.51 | 5.81 | 1.53 | $4,400 | $5,800 | 110 | 21.7 |
| Kevin Gausman (R) | at ARI | 348.7 | 20.7 | 7.4 | 13.3 | 1.34 | 4.26 | 1.39 | $7,900 | $8,200 | 88 | 23.2 |
| Austin Gomber (L) | at DET | 55.3 | 19.1 | 10.2 | 8.9 | 0.49 | 2.77 | 1.32 | $7,100 | $6,200 | 99 | 20.4 |
| Stephen Gonsalves (L) | v KC | 10.0 | 8.6 | 17.2 | -8.6 | 1.80 | 9.90 | 2.90 | $4,200 | $5,500 | 83 | 23.7 |
| Jon Gray (R) | v LAD | 263.7 | 24.8 | 6.3 | 18.5 | 1.02 | 4.27 | 1.28 | $7,400 | $8,100 | 117 | 22.0 |
| Derek Holland (L) | at MIL | 281.7 | 19.9 | 10.4 | 9.5 | 1.50 | 4.82 | 1.48 | $6,700 | $7,800 | 91 | 19.5 |
| Brett Kennedy (R) | at CIN | 25.0 | 13.6 | 6.8 | 6.8 | 2.16 | 5.76 | 1.72 | $6,100 | 100 | 20.7 | |
| Clayton Kershaw (L) | at COL | 306.3 | 27.4 | 4.2 | 23.3 | 1.06 | 2.35 | 0.96 | $8,800 | $10,300 | 95 | 21.4 |
| Jon Lester (L) | at WAS | 338.7 | 21.4 | 8.1 | 13.3 | 1.30 | 3.96 | 1.32 | $7,800 | $8,500 | 98 | 23.0 |
| Steven Matz (L) | v PHI | 195.3 | 20.3 | 7.5 | 12.7 | 1.52 | 4.84 | 1.36 | $7,600 | $7,100 | 87 | 22.7 |
| Aaron Nola (R) | at NYM | 349.7 | 26.5 | 7.0 | 19.5 | 0.75 | 2.86 | 1.09 | $11,800 | $11,300 | 94 | 22.4 |
| Daniel Norris (L) | v STL | 121.3 | 20.3 | 9.9 | 10.4 | 1.19 | 5.34 | 1.57 | $5,000 | $5,900 | 105 | 21.5 |
| James Paxton (L) | v NYY | 280.3 | 30.1 | 6.9 | 23.3 | 0.90 | 3.37 | 1.11 | $9,800 | $9,200 | 119 | 21.7 |
| Felix Pena (R) | at CWS | 103.0 | 23.3 | 9.6 | 13.6 | 1.49 | 4.54 | 1.37 | $6,300 | $6,800 | 97 | 25.8 |
| David Price (L) | v HOU | 227.0 | 24.2 | 6.9 | 17.3 | 1.11 | 3.53 | 1.17 | $9,100 | $9,500 | 120 | 19.6 |
| Carlos Rodon (L) | v LAA | 169.0 | 21.6 | 9.9 | 11.7 | 1.28 | 3.41 | 1.17 | $8,300 | $8,700 | 88 | 20.4 |
| Joe Ross (R) | v CHC | 73.7 | 21.1 | 6.2 | 14.9 | 1.95 | 5.01 | 1.47 | $4,900 | $5,700 | 104 | 20.7 |
| Blake Snell (L) | v BAL | 281.0 | 26.0 | 9.9 | 16.1 | 0.93 | 2.95 | 1.16 | $12,400 | $10,700 | 70 | 25.0 |
| Dan Straily (R) | at PIT | 299.3 | 20.9 | 8.8 | 12.1 | 1.50 | 4.21 | 1.31 | $6,100 | $6,600 | 98 | 18.8 |
| Masahiro Tanaka (R) | at SEA | 312.3 | 25.3 | 5.6 | 19.7 | 1.67 | 4.35 | 1.19 | $9,400 | $10,000 | 105 | 19.9 |
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 |
| Chase Anderson (R) | v SF | 21.1 | 8.9 | 12.2 | 1.19 | 0.287 | 19.9 | 7.3 | 12.6 | 1.69 | 0.345 |
| Chris Archer (R) | v MIA | 27.2 | 8.6 | 18.6 | 1.35 | 0.326 | 27.5 | 6.6 | 20.9 | 1.15 | 0.303 |
| Chris Bassitt (R) | v TEX | 17.4 | 10.1 | 7.2 | 0.57 | 0.277 | 17.2 | 9.6 | 7.6 | 1.64 | 0.372 |
| Dylan Bundy (R) | at TB | 18.0 | 7.7 | 10.4 | 1.54 | 0.351 | 27.1 | 7.6 | 19.5 | 1.79 | 0.316 |
| Carlos Carrasco (R) | at TOR | 27.0 | 6.3 | 20.7 | 1.28 | 0.306 | 27.7 | 4.7 | 23.0 | 0.87 | 0.282 |
| Gerrit Cole (R) | at BOS | 29.1 | 7.9 | 21.3 | 1.11 | 0.314 | 23.2 | 6.5 | 16.7 | 0.89 | 0.289 |
| Patrick Corbin (L) | v ATL | 30.3 | 8.6 | 21.7 | 1.23 | 0.308 | 21.6 | 7.3 | 14.2 | 1.04 | 0.320 |
| Anthony DeSclafani (R) | v SD | 21.0 | 5.5 | 15.5 | 2.03 | 0.359 | 20.5 | 6.4 | 14.2 | 0.87 | 0.270 |
| Marco Estrada (R) | v CLE | 21.2 | 7.9 | 13.4 | 1.28 | 0.288 | 20.9 | 9.3 | 11.6 | 1.63 | 0.349 |
| Heath Fillmyer (R) | at MIN | 13.0 | 15.4 | -2.4 | 0.31 | 0.286 | 14.9 | 6.4 | 8.5 | 2.38 | 0.362 |
| Yovani Gallardo (R) | at OAK | 17.4 | 13.1 | 4.3 | 1.25 | 0.338 | 14.3 | 9.1 | 5.2 | 1.52 | 0.363 |
| Kevin Gausman (R) | at ARI | 21.6 | 8.6 | 13.0 | 1.23 | 0.317 | 21.4 | 5.8 | 15.6 | 1.46 | 0.342 |
| Austin Gomber (L) | at DET | 21.1 | 7.0 | 14.1 | 0.51 | 0.299 | 20.1 | 14.2 | 6.0 | 0.59 | 0.308 |
| Stephen Gonsalves (L) | v KC | 0.0 | 33.3 | -33.3 | 0.00 | 1.059 | 15.2 | 15.2 | 0.0 | 1.42 | 0.469 |
| Jon Gray (R) | v LAD | 25.2 | 7.3 | 17.9 | 1.12 | 0.313 | 26.0 | 6.9 | 19.1 | 0.80 | 0.308 |
| Derek Holland (L) | at MIL | 15.8 | 7.9 | 7.9 | 0.64 | 0.265 | 19.2 | 10.1 | 9.2 | 1.69 | 0.367 |
| Brett Kennedy (R) | at CIN | 20.0 | 4.4 | 15.6 | 2.53 | 0.363 | 10.4 | 8.3 | 2.1 | 3.24 | 0.549 |
| Clayton Kershaw (L) | at COL | 29.6 | 2.6 | 27.1 | 1.06 | 0.248 | 28.8 | 3.8 | 25.0 | 0.78 | 0.241 |
| Jon Lester (L) | at WAS | 27.5 | 5.5 | 22.1 | 0.99 | 0.276 | 21.1 | 8.3 | 12.8 | 1.23 | 0.310 |
| Steven Matz (L) | v PHI | 17.0 | 7.6 | 9.5 | 0.49 | 0.317 | 22.4 | 6.6 | 15.7 | 1.53 | 0.328 |
| Aaron Nola (R) | at NYM | 24.0 | 8.8 | 15.1 | 0.75 | 0.284 | 27.6 | 4.7 | 22.9 | 0.68 | 0.271 |
| Daniel Norris (L) | v STL | 25.1 | 9.5 | 15.6 | 1.69 | 0.340 | 19.6 | 8.8 | 10.7 | 1.04 | 0.347 |
| James Paxton (L) | v NYY | 24.6 | 6.5 | 18.1 | 0.57 | 0.307 | 28.3 | 5.9 | 22.3 | 0.86 | 0.280 |
| Felix Pena (R) | at CWS | 20.7 | 14.9 | 5.8 | 1.41 | 0.363 | 28.6 | 6.0 | 22.6 | 1.49 | 0.296 |
| David Price (L) | v HOU | 20.2 | 3.9 | 16.3 | 1.03 | 0.306 | 25.1 | 6.7 | 18.5 | 1.17 | 0.303 |
| Carlos Rodon (L) | v LAA | 26.2 | 6.5 | 19.6 | 0.80 | 0.272 | 21.9 | 9.3 | 12.6 | 1.35 | 0.321 |
| Joe Ross (R) | v CHC | 19.4 | 7.6 | 11.8 | 1.51 | 0.370 | 22.4 | 5.1 | 17.2 | 1.04 | 0.294 |
| Blake Snell (L) | v BAL | 28.7 | 10.0 | 18.7 | 0.25 | 0.233 | 24.7 | 10.9 | 13.7 | 0.99 | 0.307 |
| Dan Straily (R) | at PIT | 20.2 | 12.1 | 8.1 | 1.19 | 0.320 | 21.4 | 6.0 | 15.4 | 1.82 | 0.326 |
| Masahiro Tanaka (R) | at SEA | 23.4 | 4.9 | 18.5 | 1.32 | 0.296 | 23.6 | 5.5 | 18.1 | 1.52 | 0.314 |
