This article is part of our Yahoo DFS Baseball series.
Pitcher
Rick Porcello, BOS at TB ($50): Those who have read this column in the past know that I generally like to dig into the record crate looking for bargains when it comes to pitching, but a top-heavy slate has left me with little choice but to spend up. Porcello has been piling up the strikeouts of late, having notched at least six in six of his last seven outings. This could lead to a nice day for the Cy Young candidate, as the Rays hold the third-highest whiff rate in the league against righties.
Yu Darvish, TEX at OAK ($44): Darvish was tagged for seven runs in just five innings in his last start against the A's, but pitched well against them in two previous encounters. The A's hold the fourth-lowest wOBA in the league against right-handed pitchers, while Darvish has struck out at least eight batters in four of his last six starts.
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Catcher
Brian McCann, NYY at TOR ($13): I love seeing extreme groundball pitchers like Marcus Stroman on the docket, as it allows me to get value out of decent players who maintain flyball-heavy profiles. McCann fits that description due to his 45 percent flyball rate and .181 ISO against right-handed pitchers over 326 at-bats.
First Base
Brandon Belt, SF at SD ($14): We can find a similar sort of edge in Belt's matchup against Jarred Cosart, who will bring a 62 percent groundball rate against the 28-year-old Giant's flyball tendencies. Cosart has walked more left-handed batters than he has struck out this season, and Belt has notched a .362 wOBA against his opposite hand.
Second Base
Jose Altuve, HOU vs. LAA ($12): Jhoulys Chacin has been surprisingly effective against righties this season, but still holds a .348 OBP against them over 63.2 innings. Altuve has feasted off righty pitching, notching a .351/.400/.556 slash line with a .204 ISO over 450 at-bats.
Third Base
Jorge Polanco, MIN vs. SEA ($11): Polanco's numbers against left-handed pitching may be surprising if you haven't been paying attention, as he will enter this contest against the Mariners with a .955 OPS against southpaws over 51 at-bats. Ariel Miranda has struggled to keep right-handed hitters in the park this season, as evidenced by his 1.8 HR/9 rate.
Shortstop
Jonathan Villar, MIL vs. CIN ($18): Dan Straily has thrown the ball well of late, but his 13 percent walk rate against lefties has contributed to a 5.52 xFIP. Villar should have a discernible edge in this matchup, as he holds a 5.0 Runs Above Average mark against the slider, a pitch Straily throws 26 percent of the time.
Outfield
Rickie Weeks, ARI at BAL ($7): Weeks has become a must-play against lefties due to his gaudy .358 ISO over 67 at-bats. All that power should come in handy against Wade Miley, who has allowed a .500 slugging percentage against right-handed hitters over 116.2 innings.
Mark Trumbo, BAL vs. ARI ($14): Trumbo's .181 batting average against lefties in 2016 may cause some to overlook him against Robbie Ray, but it is worth noting that he carries a .221 ISO against southpaws. He should also be able to exploit Ray's groundball profile, as he hits the ball in the air 44 percent of the time.
Brandon Guyer, CLE vs. CWS ($11): Guyer is our second lefty specialist in the outfield, having tallied a .223 ISO against them over 60 games. Jose Quintana is one of the better pitchers in the American League, but still owns a 4.26 xFIP and a 33 percent hard contact rate against righties.
Other Options: Bryce Harper, WAS at PIT ($16); Carlos Beltran, TEX at OAK ($16); Chris Owings, ARI at BAL ($13)
