When Troy Vincent mentioned in April the NFL's interest in establishing a developmental league, he couldn't have imagined the response it would get. ''I think that shows it is worth a look.'' And that is what it will get, although the NFL has no timetable for establishing such a league. Vincent, who recently became the NFL's head of football operations, cites a bunch of reasons, from training coaches and officials to finding players to testing rules. Steelers coach Mike Tomlin would like to see it happen. More...