In the NFL, a trade is the least-used form of transaction. During an offseason, each team focuses on signing players already untethered from all ties rather than swapping players currently on the roster. When the NFL Draft rolls around, teams make several trades for picks, but usually wait until the later rounds to avoid the uncertainty that comes with dealing with such high value. Some trades were made because the player refused to play for the team that drafted them, and some were made because ...