Sean Manaea's first start of 2019 for the Oakland Athletics was a promising development for fantasy baseball owners.
The left-handed hurler's five-inning performance against the New York Yankees made him a viable September pitching option.
The owner of two double-digit win seasons is one of a few players on the waiver wire that can make a difference while in the middle of a playoff hunt.
Tampa Bay's Eric Sogard fits the category of late-season help at the plate, as he is rounding into form in the thick of the American League wild-card race.
Top Fantasy Baseball Sleepers
Sean Manaea, SP, Oakland
Manaea's return from a long-term shoulder injury boosted Oakland's playoff hopes and those in the fantasy postseason mix.