koller does not have the technixal skills of treze, whether we see it often, but treze is an accomplished front man who can aly the ball off, flick ons, but his technical shooting is excellent, jus his movement aint.
Koller is a great big giant, who uses his height n stregth to score, not as technicallly gifted as trez.
Guys i think we often fail to see that trez is a very good striker technically,in terms of shoot skill and ability, but his movement is what lets him down bigstyle.