Kind of lost track of what some folks are saying about summer league placement?
On the other thread Great Lakes, a famous poster showed some statistics that the rosters from all the leagues represent a mere fraction of the total amount of players in all Divisions plus NAIA.
Based on what I have learned, who I know, and a little research, getting an early assignment to a league is a privilege for one.
Secondly, your college coach thinks very highly of you, and wants you to keep on playing, get added exposure, and further develop.
I don't see the relationship between summer league early assignment and the travel roster. My thought is this.
If a freshman comes in with a pretty good history, proves it out in Fall workouts and Spring practice, then one could conclude that he is a probable contributor to the team, and would most likely travel.