From Hutchinson's dominant scrimmage to DJ Reader's promising start, Ben Raven and Kory Woods break down who's turning heads at training camp.

The Detroit Lions' training camp continued on Tuesday ahead of the team's preseason opener on Thursday against the Los Angeles Chargers at the Hall of Fame

• Lions CB Terrion Arnold left the scrimmage with a hamstring and did not return. Arnold appeared to be in good spirits after practice, walking off the field without help at a normal pace. Hamstrings tend to linger, though, so you have to think the Lions will be cautious with him.