What is a dynasty football league?

DYNASTY LEAGUES

Name
Cost
Rules
MFL ID
Scoring
Est.
Roster
Payout
Teams
Chuck Noll Dynasty League
$75
20950
Basic
2005
25
100%
12
1st(60%), 2nd(25%), 3rd(10%), Point Leader 16 Weeks(5%), $75 division winners
Tom Landry Dynasty League
$75
60626
Basic
2007
25
100%
12
1st(55%), 2nd(30%), 3rd(15%), $50 division winners
Vince Lombardi Dynasty League
$75
87701
Basic
2007
25
100%
12
1st(55%), 2nd(30%), 3rd(15%), $50 division winners
Don Shula Dynasty League $100
65921
Basic
2008
25
97.5%
12
   
1st (50%), 2nd (20%), 3rd (10%), Point Leader 16 Weeks (20%)
BZ Dynasty League B $100
53377
Basic
2008
25
97.5%
12
   
1st (40%), 2nd (20%), 3rd (12.5%), 4th (7.5%), 5th (5.0%), 6th (2.5%), Pt Leader 16 Weeks (10.0%), Eff. Rat (2.5%)
BZ Dynasty League A
$100
Basic
2008
25
97.5%
12