And in Kitchener's case, it has affected the club at centre.
The team lost its two top pivots when top liner Ryan MacInnis turned pro and second liner Gustaf Franzen returned to Sweden.
There are candidates waiting in the wings.
Among them: Mason Kohn, Jacob Cascagnette (in photo), Greg Meireles, Cedric Schiemenz, Connor Bunnaman, Dylan Seitz and Riley Damiani.
It sure makes for an interesting battle at training camp.