Panthers roll the dice on Rasheed Walker as troubling whispers begin to surface

Carolina Panthers offensive tackle Rasheed Walker | Mark Hoffman/Milwaukee Journal Sentinel / USA TODAY NETWORK via Imagn ImagesThe Carolina Panthers caused a stir around the league by signing left tackle Rasheed Walker in free agency. This was arguably the best blindside option on the market, giving head coach Dave Canales a short-term stopgap as Ikem Ekwonu recovers from a ruptured patellar tendon sustained in the team's playoff loss to the Los Angeles Rams.

Once the full contract details were released, it became even more notable. Walker's deal is heavily-laden with incentives, counting just $4 million against the cap as things stand. That is significantly lower than the $10 million…