The Ravens' pass-rush rotation

After the Baltimore Ravens lost Paul Kruger to free agency this offseason, some suggested that the club was in a good spot nevertheless, given that they'd just used a high draft pick on Courtney Upshaw, whose role would therefore increase with Kruger's exit. An Upshaw-Terrell Suggs tandem would provoke substantial fear in opposing QBs. But then the team added Elvis Dumervil in free agency. So how's this going to work?