49ers’ roster projection: Doomsday for past draft picks

The 49ers’ offseason overhaul has spared most of former general manager Trent Baalke’s draft picks.

Of the 31 Baalke draft selections GM John Lynch inherited when he was hired in January, 27 remain on the roster. The 49ers didn’t re-sign free-agent quarterback Colin Kaepernick and wide receiver Quinton Patton, and they released center Marcus Martin and running back Mike Davis.

But that doesn’t mean Baalke’s other hand-picked players should breathe easily. He was fired partly because he selected too many players who failed to meet expectations and many will be released when the 49ers pare their 90-man offseason roster to 53 before the regular season.

In this projection, which will include a 2.0…