Gage Jump throws scoreless start vs. Red Sox

WEST SACRAMENTO — Gage Jump’s arrival came with such high expectations as one of the more hyped prospects to make his way through the Athletics’ system in quite some time that you almost forget he was only making his 12th Major League start on Tuesday.

For almost any young pitcher, there will be highs and lows as they establish themselves at this level. Jump’s career started off with a…