Codys hands are insane, he has a lot better hands than some proboxers, his uncle is using those Baby tiny mitts too so you know that his combos are accurate, those baby mits are hard to hit flush like that off combos.
But it helps sharpen you up and accuracy on a moving target.
Tj looks more like working on power, but he does some weird slap with his right hand off the combo, he strikes it with the inside of his hand instead of with the knuckles, its a bad habit.
The fight is an even match up, I say 50 50, this is one of those top level match ups both guys are good wrestlers and good strikers, and movers.
Codys main weakness is his chin is up a lot and he explode in a straight line making it easier for someone who is willing to counter him to hurt him, while TJ keeps his chin tucked to avoid getting clipped. If TJ can catch Cody when he rushes in with his chin up he could hurt him.
TJ has great later moving, he literally moves similar to Lomachenko who he already said he tries to mimic in the cage.