Leading up to and during those negotiations, you'll likely hear the terms "salary cap" and "cap space" used by analysts to describe whether or not teams are in the running for specific players.

Not every NFL team is blessed with cap space this offseason. The New England Patriots, for example, have little worry and plenty incentive to spend at an estimated $119 million in cap space ...

The NBA and NHL salary caps are fairly straight forward — contracts are fully guaranteed, and every dollar earned counts that year against the cap. But guaranteed contracts are the exception in ...