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The top option for me is Jose Fernandez ($11,700) against the Reds at home in Miami. The Reds are the second worst team by wRC+ vs RHP at 79 and have the 11th highest K% vs RHP at 22.3%. Fernandez has pitched much better at home in pitcher friendly Marlins Park in his career, with a 1.72 ERA/1.58 FIP at home vs a 4.01 ERA/3.01 FIP on the road in his career. Fernandez has a historically good strikeout rate at the moment at 37%, and takes a nice 2.69 ERA with a 2.19 FIP into today's start.
Chris Sale ($11,000) isn't far behind. Sale faces a Braves offense that ranks second worst vs LHP by wRC+ at 67 and worst with a .090 ISO. Their 21% K% is about average. Sale has a 2.93 ERA, 3.45 FIP and 25% strikeout rate on the year and should be in good position to get the win against an impotent offense vs left handed pitching.
Corey Kluber ($10,900) faces a bottom third Yankees offense in Cleveland. The Yankees have an 88 wRC+, 9th worst in baseball, and get a park downgrade moving away from Yankee Stadium. Kluber has a 3.79 ERA, but a 2.96 FIP and a strand rate (62%) that will very likely come up significantly in the second half which should help normalize his ERA.
For some salary relief to use to get some higher upside hitters into a lineup (there is a Coors Field game today, and Sean O'Sullivan and his 6+ ERA over the last 2 seasons pitches in Fenway Park), Colin McHugh ($8,000) faces an A's offense that ranks 5th worst by wRC+ vs RHP at 84. They have the fourth lowest K% at 18.1%, though, so strikeout upside appears to be limited. McHugh has a 4.50 ERA, but a 3.81 FIP and should be in a reasonably decent position to get the win against the 2nd worst team in the American League by run differential (-68) and 4th worst by winning percentage (.430).