Buffalo Bills: 4 backups who could become starters this season

Indianapolis Colts v Buffalo Bills
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Christian Kirksey

The final player is one who is actually not even on the 53-man roster but seems to be only a matter of time before he is added in veteran linebacker Christian Kirksey. The middle linebacker has been a concern for the defense all summer and the team hasn't been able to find an answer yet between A.J. Klein, Tyrel Dodson, Baylon Spector, and Terrel Bernard.

However, the Houston Texans seemingly did them a favor by releasing Christian Kirksey last week and the Buffalo Bills were quick to sign him to their practice squad. He is an experienced linebacker who has 94 career starts and while he may have lost a step, Kirksey is the most talented linebacker with the Buffalo Bills after Matt Milano.

The biggest challenge for Kirksey is how quickly he can learn the playbook as the player in this position will be responsible for relaying the playcall from Sean McDermott on the sideline to the rest of his teammates. If he is able to pick this up quickly, it wouldn't be surprising to see him starting against the New York Jets but more than likely it might not be until their home opener against the Las Vegas Raiders in Week 2.