What can U tell about a fighter watching him spar?

You can't really learn anything from sparring ya have to look at the guys actual fights. I guess you can find out things like their style, stance, or if they have a concern for defense but those are the only things I can think of. Some fighters slack in sparring but are beasts elsewhere.

 

I go about once or twice a week I dont wanna overtrain

 

Stylistic things.

 

lol

 

Ya. One thing that translates from the gym to the ring is where guys keep their hands down after throwing a punch, leaving themselves open for counters. If that doesn't get fixed in the gym, they usually wind up knocked cold if they ever step it up in an actual fight.

 

Apart from what is already mentioned...

From my experience I notice that fighters usually work on their weaknesses during sparring sessions. By watching what they are working on... I can possibly find what they feel is their weakness. Of course by doing this, and possibly seeing what sort of success that their sparring partners had when attacking or working on that weakness... I can devise a plan for my fighter to attack and expose this weakness.

 

I'd look at footwork. If they fight in straight lines, how they're conditioning is like.

Who their sparring partners are. What sort of success they have fighting off the backfoot and what sort of success they have coming forward.

And pretty much see what they're working on for reasons that Widdow already pointed out.

 

Yep, can only get away with that sort of thing for so long. Eventually it catches up to the person. Thing is, it's just a mechanical part of fighting that just takes practice to correct. Practice and practice and practice, but it can be fixed.