How does Edward Cabrera, on road back from hamstring injury, fit into Cubs’ pitching puzzle upon return?

KANSAS CITY – The Cubs trading a top prospect for an impact starting pitcher is nothing new. Jed Hoyer’s front office got aggressive at the trade deadline and shipped away a significant chunk of its top-30 prospect list – including No. 2 ranked Jefferson Rojas – for pitching, making a win-now statement in the process. But rewind to the offseason, and Hoyer did the same thing, dealing outfield prospect Owen Caissie to the Marlins for righty starter Edward Cabrera, believing he could be a…