The Stormers went from feast to famine within a few months with their stocks at lock.After a shoulder injury to JD Schickerling, one set to keep him out of action for an extended period, the Cape side has two fit front-line second-rowers in captain Salmaan Moerat, and lineout caller Ruben van Heerden left to run the show in the United Rugby Championship (URC).Suddenly the Stormers only have two fit front-line locks ahead of the North-South derby vs the Bulls. JD Schickerling is out for an extended period with a shoulder injury #URC #STOvBUL – https://t.co/ZeM6lq83Ae— Leighton Koopman…