User blog comment:WOB Silas/Tag Teams/@comment-3450702-20120904142945

Nunu, Lee, Olaf, Udyr, Alistar can swap top and jungle/support and jungle, some usually tanky/sustain APs like kennen, karthus, galio, vlad. The only champions that are pretty much stuck in their positions are squishy mids, all ADs and healer supports.