Let's look at the plays Jones was involved in.
:30 Jones is beaten off screen on a comeback route. Would have been a bigger gain if the QB releases the ball earlier.
:45 Jones is about to get beaten on the inside slant, but the pass is tipped. I like how Jones tackled him after the tip. Good awareness.
1:15 Jones is beaten downfield, but the QB overthrows the WR. Jones got away with a PI because the ball was overthrown so badly.
2:06 Jones never turns his head around. This is PI in the NFL.
2:25 This is a completion if the QB and WR execute. Hard to tell if the ball was on target or not because it's a youtube video.
3:34 He stays with his man for a full 5 seconds, which is impressive, but you notice, he has his hand grabbing the guy's waist at all times. This is defensive holding in the NFL. Seriously, he held his jersey for a full 5 seconds and then pushes off and intercepts a terrible prayer of a pass.
4:05 Beaten on a comeback again, but you can't see what is happening.
I stand by what I said earlier. He was facing sub par talent at the WR and the QB position. Nothing like what he will see at the pro level. He grabs receivers well past 5 yards, and has a tendency to get more grabby when he's beaten. He is relying on grabbing the WR to stay in position, and doesn't play well when he has space in front of him.
I think the two comeback routes that he was beaten on are due more to the scheme and not wanting to get beat, but you can't really tell because you can't see what is happening off screen.
I don't have a pet cat, and I don't mind the pick, but I see him as a big project in the NFL. He is an insane athlete, and if they can coach a little NFL technique into him, I can see him as a solid player.