For the Springboks, it’s one in, and another out as Ruben van Heerden has been called up to the squad and will join the team in Johannesburg on Wednesday evening. The 28-year-old former Junior Springbok lock, who has been a central figure in the Stormers pack in the United Rugby Championship this season, will replace Salmaan Moerat, who has been released from camp due to injury. The Springboks are deep into their preparations for their season op…