Cordy Glenn

Add Buffalo Bills offensive tackle Cordy Glenn to the list of free agents who aren't likely to make it to the open market.

(AP Photo)

If the Detroit Lions have interest in landing a big fish via free agency, other teams' use of franchise tag is rapidly shrinking the size of the talent pond.

Days after it was reported the Chicago Bears intend to franchise wide receiver Alshon Jeffery, who would have easily been the most talented wide receiver available, separate reports indicate Buffalo Bills offensive tackle Cordy Glenn will also be prohibited from hitting the open market.

The NFL Network is reporting the Bills intend to tag Glenn, who was one of the NFL's best pass protectors last season.

Additionally, CBS Sports is reporting the Los Angeles Rams will tag one of their two talented cornerbacks, Janoris Jenkins or Trumaine Johnson. The 6-foot-2 Johnson would offer the Lions a significant upgrade opposite Darius Slay. He showcased his ability against Detroit last season, allowing just two receptions for 10 yards while returning an interception for a touchdown.

It's also expected Denver linebacker Von Miller, Carolina cornerback Josh Norman and New York Jets defensive lineman Muhammad Wilkerson will be tagged if long-term deals with their current clubs can't be reached before the March 1 deadline.

Those decisions would put a significant dent in the top-level talent available this offseason.

That, combined with the big jump in the salary cap, which has been set at $155.27 million, will likely lead to teams overpaying for lesser quality players. That's to be expected, according to Jaguars general manager David Caldwell.

"The fun is to know you have it and it's at your disposal if you need it," Caldwell said. "The challenge is to be able to find the players to spend it on. You can't create players to spend it on. The nature of free agency, you're going to overpay. If you want a player, you have to overpay to get him. That's the nature of the beast."

With less than two weeks before the opening of free agency, the Detroit Lions have more than $33 million in cap space. That amount could jump another $11.1 million if wide receiver Calvin Johnson decides to retire.

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