Sean Manaea has been a solid pitcher throughout his eight-year big-league tenure. His 4.10 ERA fits nicely in the middle-to-back of just about every rotation in baseball. However, his most recent results are middling at best.The Mets added Manaea on a two-year, $28 million pact this winter, adding another new arm to a rotation that saw plenty of turnover over the last several months. The plan is for the 31-year-old to start after he made 10 starts last season that sandwiched 25 relief outings. ...