This article is part of our Yahoo DFS Baseball series.
Pitcher
Erasmo Ramirez, TB vs. LAA ($35): Ramirez has been wearing hitters out with his changeup this season, as it is currently worth 6.1 RAA over 13 games (two starts). The Angels are a bottom 10 team against the changeup, while also holding the second highest groundball rate in the league. This should afford Ramirez opportunities to avoid extra base hits, as his own groundball rate stands at 55 percent. Ramirez threw just 65 pitches in his last start against the Yankees as he stretches himself out in the starting rotation. While he should be in line to go deeper into this game, those worried about his limitations may want to take a look at Luis Severino ($39), who will take his slider (4.9 RAA) into a matchup against the Royals.
Kyle Hendricks, CHC vs. SF ($45): Hendricks' fastball was a standout weapon in 2016, and he appears to be making it work again, as the pitch has been worth 4.9 RAA over 45.2 innings. The Giants have returned the third lowest value on the fastball this season, and should kill plenty of worms against Hendricks as they put the ball on the ground at a 48 percent clip.
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Catcher
Sandy Leon, BOS vs. TEX ($10): Leon has pounded lefties in limited action this season, notching a .431 wOBA and .571 slugging percentage over 21 at-bats. Martin Perez holds a strikeout rate of 15 percent against his opposite hand, and has surrendered a 38 percent hard contact rate over 42.2 innings.
First Base
Wil Myers, SD at NYM ($20): Robert Gsellman has logged a -10.6 RAA with his fastball this season while posting a 6.75 ERA over 10 games (seven starts). This will be his first start since seeing time in the bullpen last week. Myers is sporting an impressive .298 ISO against righties, and will have the opportunity to hit at Citi Field, an environment that is much friendlier to righty hitters than Petco Park when it comes to homers.
Second Base
Adam Frazier, PIT at ATL ($14): Julio Teheran was able to finish the 2016 season before his peripherals against lefties caught up with him, but he hasn't been so lucky this year. The 26-year-old has allowed a .400 wOBA to his opposite hand in 25.0 innings while surrendering six home runs over that span. The ball seems to be carrying out of SunTrust Park for lefties, and Frazier has notched an ISO of .167 in 36 at-bats against righties on the road.
Third Base
Kris Bryant, CHC vs. SF ($27): The numbers tell us that Bryant may be worth the high price, as he has registered a whopping .500 ISO against lefties over 32 at-bats. Opposing starter Matt Moore's fastball hasn't been getting results this year (-7.2 RAA), while Bryant has tallied an 8.0 RAA against the pitch.
Shortstop
Tim Beckham, TB vs. LAA ($14): Ricky Nolasco has kept a reverse split this year, surrendering a .588 slugging percentage to right-handers over 25.2 innings. Beckham carries a .202 ISO and a 50 percent hard contact rate over 119 at-bats against righties.
Outfield
J.D. Martinez, DET at HOU ($21): Charlie Morton hasn't recorded a positive run value on any of his four pitches this season. This should be a major advantage for Martinez, who holds a 6.1 RAA against the fastball. It should also be noted that Morton keeps a groundball rate near 50 percent, while Martinez hits the ball in the air at a 46 percent clip.
Brett Gardner, NYY vs. KC ($23): Gardner's power surge has been something to behold, as he has tallied a .247 ISO over 146 at-bats. Opposing starter Jason Hammel hasn't been hit as hard by lefties this year, but his xFIP stands at a foreboding 5.55 against them over 25.0 innings.
George Springer, HOU vs. DET ($16): Daniel Norris has notched a -7.7 RAA with his fastball in eight starts this season, while allowing an identical 46.4 percent hard contact rate from both sides of the platoon. Springer has barreled up lefties to the tune of a 45 percent hard contact rate, while keeping a .341 wOBA over 39 at-bats.
