The Cleveland Browns may not have lost a starter in the news of Mychal Kendricks' release but they certainly lost a valuable member of their defense. The sudden loss may have sparked trade discussions within the organization as they look to add more pass rush to their arsenal.

Sources have confirmed to The OBR that the Browns and Oakland Raiders have spoken about defensive end/outside linebacker Khalil Mack.

Find out where they are at in the process and what the trade may look like in our subscribers only section, Rumor Central. Those that do not already subscribe can take advantage of our FREE trial today!

Mack has yet to report to the Raiders and the regular season is just nine days away. Oakland has not openly shopped the Buffalo product but they are not immediately shutting down discussions either. It is unclear if they will ultimately trade him. It seems that the Los Angeles Rams are more willing to offer a contract extension to defensive tackle Aaron Donald than Mack with the Raiders, which hurts their leverage.

NFL Network's Tom Pelissero recently reported that the conversation would have to start with an offer of two first round picks. However, the Raiders are not going to leak the minimum offer that they would take. There is likely room to negotiate from that two first round pick asking price. Pelissero added that Oakland has already received at least one offer of a first round pick and another 'high pick.'

The significance of a deal for the 27 year old is that a team would have to be willing to meet his contract demands in order for him to show up for work. He is likely seeking a long-term contract extension in the neighborhood of $20 million annually.

The New York Jets and Green Bay Packers are two teams that have expressed interest in dealing with the Raiders.

Cleveland does have the most salary cap space in the NFL at $55,489,956 according to Spotrac. In fact, the Browns have so much salary cap space that they could offer Mack the $20 million annually and still have the second most salary cap space in the NFL.

Mack played defensive end last season but he has the same size of outside linebacker Jamie Collins. Cleveland could probably play him in either role. He has done both with the Raiders and previously in college. The inclusion of a player like defensive end Emmanuel Ogbah or Collins might make the deal more intriguing for Oakland as well.

The Florida native has appeared in three Pro Bowls. He has accumulated 304 tackles, 40.5 sacks, nine forced fumbles, an interception and a defensive touchdown in his career. Last season, Mack had 78 tackles, 10.5 sacks, a forced fumble and a fumble recovery. He was named the NFL Defensive Player of the Year in 2016. The former No. 5 overall selection would form a nightmarish pass rush combo with defensive end Myles Garrett.

General Manager John Dorsey has already acquired wide receiver Jarvis Landry, quarterback Tyrod Taylor and free safety Damarious Randall in separate trades this off-season.