After looking at it further, that Beloit team crushed you.
They had 691 from returning players in last season, and then add in these three graduates:
Joel McQueeny -- averaged 100 per year over his career (which means more in the last two years, figure 150 last year)
James Poteat -- averaged 235 per year, but I remember him with 400 at some point during last year.
Charles Berg -- averaged 130 per year, so figure 150-175 last year, at least.
Even on the low end, that's like 1300, and I'd guess way more.