Sean Manaea, Jharel Cotton and Daniel Mengden working to stick with the Oakland A’s for the long haul

OAKLAND – If the Oakland A’s are going to find their way out of the AL West basement, their starting pitching will need to improve over its 4.84 starter’s ERA from 2016. Young starters Sean Manaea, Jharel Cotton and Daniel Mengden are working to be a part of a starting pitching revival in Oakland.