What Peter Chiarelli must now avoid? Locking into terrible contracts

All kinds of teams sign big name players with great hopes only for deals to turn sour
Peter Chiarelli’s first job this summer is to sign up Connor McDavid and Leon Drasaitl to deals that will sufficiently enrich the two players, but not swamp the team’s salary cap. 
His second job? Avoid club-killing contracts, any deal for an average veteran that includes too much salary, too much term and too many movement restrictions.
The rub, of course, is that winning is all important, esp