Matched up head-to-head, Harrison caught two passes on six targets, gaining 31 yards and picking up first downs on both, per Pro Football Focus. Arnold broke one pass up, and another was intercepted by safety Kerby Joseph on a play where Arnold and Joseph had bracketed Harrison expertly.

What a week it's been for me and Terrion Arnold. On Monday I suggested that the Detroit Lions bench their first round cornerback. by benching I meant don't start him for a couple games and have him come off the bench while he works on technique.

Breaking down the game film of Lions rookie CB Terrion Arnold vs. the Cardinals and stellar Arizona rookie WR Marvin Harrison Jr.

Detroit Lions cornerback Terrion Arnold said he received a very positive message from Los Angeles Rams wide receiver Cooper Kupp.

Rookie Detroit Lions cornerback Terrion Arnold said he picked No. 0 to wear because there's no other player like him in the NFL.

The Lions rookie cornerback will benefit from facing another pair of All-Pro receivers for the second consecutive week.