Who’s not safe when Giants cut down this roster

Brandon Marshall, Eli Apple and John JerryOne year ago, the Giants staged their version of a Valentine’s Day massacre, cutting popular receiver Victor Cruz and starting running back Rashad Jennings. The moves saved $10 million in salary-cap space for a team coming off a season that produced a record of 11-5 record and the first playoff appearance in five years.

A year later, the Giants have already undergone tremendous upheaval, as for the first time in 39 years they will enter a season with a new head coach and new general manager. Reshaping the roster is the next order of business. Figure it will be a widespread, invasive slashing commensurate with a team that went 3-13 and is now…