The good news for the Stormers ahead of Saturday’s Champions Cup match against the Sale Sharks (3pm kick-off) is that No 8 Evan Roos will make his comeback from injury – but this is countered by concern over Sacha Feinberg-Mngomezulu.The combative Roos had shoulder surgery six months ago, but resumed training with the squad a few weeks ago.Now he is ready for action, and assistant coach Norman Laker said on Tuesday that he is available for selection this week.Laker hinted strongly that Roos will play off the bench at the Cape Town Stadium, as the coaching staff manage his comeback from…