Most likely this is because the draft pool consists only of guys with 1+ NHL game under their belt. The GP limit would depend on the league rules, and that is something we need to know.
Off the top of my head:
UHL Calgary Flames
24-team H2H (roto G, A, GWG, SHP, PPP, PIM, +/, SOG, Hits, Blks, FOW, W, SV, SV%, GAA, SO)
Capped article archive
Montreal Canadiens coverage