Unfiltered Notebook 8/31: J.C. Jackson just keeps improving

Third-year cornerback J.C. Jackson has turned in another strong training camp and will be looking to continue his path toward becoming a top-flight NFL cornerback in 2020. The ascending former undrafted rookie made strides in all areas last season, staying healthy and going from six passes defensed to 10 and from three interceptions to five.

His improvement has been perpetual and people are starting to take notice that Jackson is one of the best young corners in the league.

"J.C. continues to improve," said head coach Bill Belichick prior to practice on Monday. "I think his understanding of the defense and his ability to play different spots within the defense has grown, and that gives us…