Arizona Cardinals quarterback Carson Palmer has insisted that he is not thinking about his knee as he continues to recover from injury ahead of the new NFL season.

The Cardinals had to do without Palmer for the 2014-15 campaign after he tore his ACL, but the 35-year-old has stated that the injury is not on his mind as he appears to be making impressive progress during the current off-season.

"I'm not even thinking about my knee," Palmer told the team's official website.

"I'm still rehabbing just to be on the safe side of things but I don't need to be at rehab. I'm full go in the weight room, full go on the field, and until it's brought up, I haven't thought about what I'm not doing because I'm doing everything I was doing."

Palmer was originally drafted by the Cincinnati Bengals back in 2003.