That guy definitely won't be able to play SG. I looked at his profile, and he'd be better suited to play SF (although his RB and LP are very low). Guys with a 37 BH should not play guard. If I were you, I'd take all the minutes out of ball handling and perimeter, and put those minutes into footwork, lowpost, and rebounding. You should also not spend too many minutes in conditioning as his ATH and SPD are maxed out. This guy will never be a good scorer, but if you build up his defense he can be a pretty good defender.
That being said, I'd still recommend cutting him at the end of the season. I'm not sure if you used it, but when recruiting in D1 with the new engine, you should always use FSS to determine the recruits' potentials before signing them. Work ethic doesn't mean as much anymore; potential is what you should look at.