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 |
| Jack Flaherty | Touki Toussaint | Braves | 102 | 106 | 116 | 98 | 81 | 98 | 8.5 | -105 | 12:10 PM |
| Gabriel Moya | Spencer Turnbull | Tigers | 103 | 98 | 104 | 103 | 101 | 104 | 1:10 PM | ||
| Diego Castillo | Yohander Mendez | Rangers | 117 | 108 | 107 | 110 | 106 | 93 | 2:05 PM | ||
| Noah Syndergaard | Zach Eflin | Phillies | 98 | 95 | 120 | 97 | 124 | 109 | 7.5 | 105 | 6:05 |
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 |
| Jack Flaherty | Touki Toussaint | Braves | 102 | 106 | 116 | 98 | 81 | 98 | 8.5 | -105 | 12:10 PM |
| Gabriel Moya | Spencer Turnbull | Tigers | 103 | 98 | 104 | 103 | 101 | 104 | 1:10 PM | ||
| Diego Castillo | Yohander Mendez | Rangers | 117 | 108 | 107 | 110 | 106 | 93 | 2:05 PM | ||
| Noah Syndergaard | Zach Eflin | Phillies | 98 | 95 | 120 | 97 | 124 | 109 | 7.5 | 105 | 6:05 PM |
| Sam Gaviglio | Jimmy Yacabonis | Orioles | 106 | 103 | 114 | 101 | 121 | 94 | 7:05 PM | ||
| David Price | Luis Severino | Yankees | 103 | 95 | 142 | 99 | 123 | 92 | 7:05 PM | ||
| Heath Fillmyer | Chris Archer | Pirates | 96 | 97 | 101 | 103 | 83 | 94 | 7.5 | -225 | 7:05 PM |
| Dylan Covey | Carlos Carrasco | Indians | 114 | 114 | 110 | 102 | 98 | 94 | 8.5 | -315 | 7:10 PM |
| Matt Harvey | Gio Gonzalez | Brewers | 105 | 103 | 131 | 96 | 108 | 103 | 9.0 | -170 | 7:40 PM |
| Roenis Elias | Dallas Keuchel | Astros | 83 | 93 | 109 | 94 | 109 | 101 | 8:10 PM | ||
| Chris Stratton | Robbie Erlin | Padres | 92 | 97 | 85 | 97 | 97 | 103 | 7.5 | -145 | 9:10 PM |
| Cole Hamels | Robbie Ray | Diamondbacks | 116 | 109 | 106 | 105 | 111 | 100 | 8.0 | -120 | 9:40 PM |
| Felix Pena | Brett Anderson | Athletics | 96 | 97 | 84 | 97 | 87 | 96 | 8.5 | -140 | 10:05 PM |
| Tyler Anderson | Walker Buehler | Dodgers | 90 | 95 | 113 | 96 | 90 | 103 | 7.5 | -235 | 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% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Brett Anderson (L) | v LAA | 123.7 | 13.9 | 6.4 | 7.5 | 0.87 | 5.24 | 1.48 | $5,400 | $7,100 | 91 | 20.5 |
| Tyler Anderson (L) | at LAD | 248.3 | 22.5 | 7.6 | 14.9 | 1.63 | 4.82 | 1.31 | $7,200 | $6,400 | 104 | 21.6 |
| Chris Archer (R) | v KC | 336.3 | 27.3 | 7.4 | 20.0 | 1.20 | 4.31 | 1.32 | $7,700 | $7,800 | 94 | 21.6 |
| Walker Buehler (R) | v COL | 128.0 | 27.8 | 7.6 | 20.2 | 0.98 | 3.23 | 1.07 | $11,300 | $9,400 | 80 | 23.3 |
| Carlos Carrasco (R) | v CWS | 376.0 | 28.6 | 5.4 | 23.1 | 0.98 | 3.35 | 1.11 | $11,100 | $11,200 | 97 | 25.5 |
| Diego Castillo (R) | at TEX | 50.0 | 27.9 | 9.1 | 18.8 | 0.72 | 3.24 | 0.98 | $4,400 | $5,500 | 98 | 24.4 |
| Dylan Covey (R) | at CLE | 173.7 | 15.1 | 10.3 | 4.8 | 1.61 | 6.48 | 1.60 | $4,500 | $5,500 | 109 | 18.8 |
| Zach Eflin (R) | v NYM | 184.7 | 18.5 | 5.4 | 13.0 | 1.56 | 4.92 | 1.32 | $7,600 | $6,800 | 97 | 22.1 |
| Roenis Elias (L) | at HOU | 40.0 | 16.5 | 8.8 | 7.6 | 0.00 | 3.15 | 1.30 | $4,900 | $5,500 | 120 | 20.0 |
| Robbie Erlin (L) | v SF | 99.0 | 20.5 | 2.5 | 17.9 | 1.00 | 4.27 | 1.14 | $4,600 | $5,800 | 75 | 22.5 |
| Heath Fillmyer (R) | at PIT | 68.0 | 14.8 | 10.3 | 4.5 | 1.19 | 4.76 | 1.41 | $5,100 | $6,100 | 98 | 19.1 |
| Jack Flaherty (R) | at ATL | 159.7 | 28.8 | 9.5 | 19.3 | 1.24 | 3.33 | 1.13 | $11,400 | $9,200 | 99 | 21.0 |
| Sam Gaviglio (R) | at BAL | 182.3 | 18.5 | 7.3 | 11.1 | 1.78 | 4.89 | 1.41 | $6,300 | $6,200 | 83 | 24.9 |
| Gio Gonzalez (L) | v CIN | 357.0 | 21.6 | 10.2 | 11.4 | 0.93 | 3.61 | 1.32 | $7,100 | $7,500 | 106 | 21.8 |
| Cole Hamels (L) | at ARI | 319.7 | 20.4 | 8.5 | 11.9 | 1.24 | 3.91 | 1.25 | $9,600 | $8,800 | 95 | 22.2 |
| Matt Harvey (R) | at MIL | 237.3 | 17.8 | 7.8 | 10.0 | 1.71 | 5.46 | 1.45 | $7,300 | $7,300 | 103 | 23.7 |
| Dallas Keuchel (L) | v SEA | 337.3 | 19.2 | 7.1 | 12.1 | 0.85 | 3.28 | 1.21 | $7,900 | $8,500 | 97 | 19.9 |
| Yohander Mendez (L) | v TB | 31.0 | 14.0 | 9.3 | 4.7 | 1.45 | 4.35 | 1.29 | $5,500 | $7,000 | 103 | 24.1 |
| Gabriel Moya (L) | at DET | 38.7 | 20.6 | 8.5 | 12.1 | 1.63 | 4.66 | 1.24 | $4,000 | $5,500 | 102 | 20.2 |
| Felix Pena (R) | at OAK | 116.0 | 22.7 | 8.8 | 13.9 | 1.40 | 4.19 | 1.34 | $8,000 | $8,000 | 111 | 21.7 |
| David Price (L) | at NYY | 240.3 | 24.7 | 6.8 | 18.0 | 1.05 | 3.41 | 1.13 | $10,300 | $9,300 | 117 | 22.0 |
| Robbie Ray (L) | v CHC | 270.7 | 32.0 | 11.6 | 20.4 | 1.33 | 3.39 | 1.23 | $9,200 | $8,700 | 94 | 22.4 |
| Luis Severino (R) | v BOS | 372.7 | 28.9 | 6.2 | 22.8 | 0.97 | 3.21 | 1.09 | $9,900 | $9,100 | 116 | 18.5 |
| Chris Stratton (R) | at SD | 194.0 | 18.7 | 8.9 | 9.8 | 1.02 | 4.36 | 1.39 | $8,400 | $7,200 | 88 | 25.2 |
| Noah Syndergaard (R) | at PHI | 165.7 | 24.7 | 5.3 | 19.4 | 0.38 | 3.21 | 1.22 | $10,500 | $10,000 | 101 | 24.5 |
| Touki Toussaint (R) | v STL | 17.3 | 20.3 | 17.6 | 2.7 | 0.00 | 4.67 | 1.33 | $8,100 | $6,000 | 98 | 21.9 |
| Spencer Turnbull (R) | v MIN | 1.0 | 33.3 | 0.0 | 33.3 | 0.00 | 0.00 | 0.00 | $6,900 | $5,500 | 95 | 21.8 |
| Jimmy Yacabonis (R) | v TOR | 49.3 | 15.5 | 11.4 | 4.1 | 1.82 | 6.02 | 1.54 | $4,900 | $5,600 | 104 | 22.3 |
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 |
| Brett Anderson (L) | v LAA | 11.5 | 7.7 | 3.8 | 0.34 | 0.404 | 13.7 | 6.0 | 7.7 | 1.24 | 0.356 |
| Tyler Anderson (L) | at LAD | 22.7 | 6.5 | 16.1 | 1.26 | 0.321 | 21.7 | 7.2 | 14.5 | 1.46 | 0.334 |
| Chris Archer (R) | v KC | 27.2 | 8.6 | 18.7 | 1.39 | 0.324 | 27.5 | 6.7 | 20.8 | 1.14 | 0.304 |
| Walker Buehler (R) | v COL | 31.0 | 7.4 | 23.6 | 0.87 | 0.251 | 25.0 | 7.7 | 17.3 | 1.10 | 0.286 |
| Carlos Carrasco (R) | v CWS | 27.1 | 6.3 | 20.7 | 1.29 | 0.308 | 28.0 | 4.8 | 23.2 | 0.87 | 0.284 |
| Diego Castillo (R) | at TEX | 26.8 | 13.4 | 13.4 | 1.31 | 0.270 | 27.7 | 6.3 | 21.4 | 0.32 | 0.234 |
| Dylan Covey (R) | at CLE | 17.0 | 11.3 | 5.8 | 1.68 | 0.361 | 13.0 | 9.3 | 3.7 | 1.52 | 0.362 |
| Zach Eflin (R) | v NYM | 15.1 | 6.5 | 8.6 | 2.21 | 0.377 | 18.1 | 4.8 | 13.3 | 1.04 | 0.307 |
| Roenis Elias (L) | at HOU | 18.1 | 11.1 | 6.9 | 0.00 | 0.375 | 12.9 | 8.6 | 4.3 | 0.55 | 0.304 |
| Robbie Erlin (L) | v SF | 27.2 | 3.7 | 23.5 | 1.01 | 0.288 | 17.9 | 2.5 | 15.4 | 1.14 | 0.312 |
| Heath Fillmyer (R) | at PIT | 13.3 | 13.3 | 0.0 | 0.47 | 0.291 | 16.8 | 6.4 | 10.4 | 2.12 | 0.367 |
| Jack Flaherty (R) | at ATL | 24.2 | 12.2 | 11.9 | 1.14 | 0.287 | 33.5 | 6.8 | 26.8 | 1.33 | 0.286 |
| Sam Gaviglio (R) | at BAL | 15.2 | 8.3 | 6.9 | 1.78 | 0.363 | 21.2 | 6.5 | 14.7 | 1.78 | 0.348 |
| Gio Gonzalez (L) | v CIN | 22.3 | 6.7 | 15.7 | 0.38 | 0.259 | 21.7 | 10.0 | 11.7 | 1.10 | 0.321 |
| Cole Hamels (L) | at ARI | 19.7 | 9.3 | 10.5 | 0.69 | 0.268 | 22.1 | 8.6 | 13.5 | 1.30 | 0.323 |
| Matt Harvey (R) | at MIL | 17.5 | 8.3 | 9.2 | 1.80 | 0.375 | 18.8 | 6.4 | 12.4 | 1.11 | 0.322 |
| Dallas Keuchel (L) | v SEA | 24.6 | 4.3 | 20.3 | 0.68 | 0.258 | 18.4 | 7.7 | 10.7 | 0.99 | 0.309 |
| Yohander Mendez (L) | v TB | 16.2 | 13.5 | 2.7 | 0.00 | 0.332 | 11.0 | 8.3 | 2.8 | 1.78 | 0.328 |
| Gabriel Moya (L) | at DET | 25.0 | 11.7 | 13.3 | 1.29 | 0.293 | 17.8 | 6.9 | 10.9 | 1.90 | 0.318 |
| Felix Pena (R) | at OAK | 19.6 | 12.8 | 6.8 | 1.13 | 0.338 | 27.2 | 5.3 | 21.9 | 1.56 | 0.299 |
| David Price (L) | at NYY | 20.9 | 3.8 | 17.0 | 1.00 | 0.301 | 25.3 | 6.6 | 18.7 | 1.14 | 0.299 |
| Robbie Ray (L) | v CHC | 34.8 | 5.8 | 29.0 | 1.03 | 0.271 | 29.2 | 11.9 | 17.3 | 1.38 | 0.322 |
| Luis Severino (R) | v BOS | 27.5 | 7.5 | 20.0 | 0.99 | 0.302 | 27.6 | 5.6 | 22.0 | 1.07 | 0.280 |
| Chris Stratton (R) | at SD | 15.7 | 10.1 | 5.6 | 1.20 | 0.348 | 21.7 | 7.9 | 13.8 | 0.82 | 0.309 |
| Noah Syndergaard (R) | at PHI | 26.1 | 7.1 | 19.0 | 0.44 | 0.292 | 28.0 | 4.1 | 24.0 | 0.49 | 0.271 |
| Touki Toussaint (R) | v STL | 14.7 | 20.6 | -5.9 | 0.00 | 0.217 | 25.0 | 15.0 | 10.0 | 0.00 | 0.332 |
| Spencer Turnbull (R) | v MIN | 0.0 | 0.0 | 0.0 | 0.00 | 0.000 | 100.0 | 0.0 | 100.0 | 0.00 | 0.000 |
| Jimmy Yacabonis (R) | v TOR | 13.6 | 12.5 | 1.1 | 0.98 | 0.373 | 16.8 | 10.7 | 6.1 | 2.32 | 0.355 |
