You can add leagues, big or small, to Sports Club Stats.
   It's free.
   It's easy.
   Just email import@sportsclubstats.com the:
      structure
      schedule
      and rules
   In a few minutes you'll get back a link to the league.
   Play around, have fun, you won't break anything.
   I look forward to seeing what you create.

Info about the various settings:
   https://docs.google.com/document/d/1-UneDNk6tkOrc_B-WBnGnc5KGiy2kttXC2fW8dR7QzM/edit?hl=en

For example, here is what created this league:

LeagueBegin
  League:     Fantastical Ballfoot FBF (Fantastical Bal) (ID: 1a14w) (Sort: League) (Playoffs: 4)
    Division: Division 1                                 (ID: d13dp) (Sort: Div) (Playoffs: 1)
      Team:   Keep Calm and Minion On  (Dan)             (ID: t1jd5)
      Team:   Team Simpson             (Justin)          (ID: t1jd7)
      Team:   Team Afroluck            (Nathan)          (ID: t1jda)
      Team:   Discount DoubleCheck     (Stephen)         (ID: t1jdb)
      Team:   Team Tomcats             (Tom)             (ID: t1jdc)
    Division: Division 2                                 (ID: d13dq) (Sort: Div) (Playoffs: 1)
      Team:   That's Amari!            (Chelsea)         (ID: t1jd4)
      Team:   Team Daugherty           (Jordan)          (ID: t1jd6)
      Team:   Burrnado                 (Keith)           (ID: t1jd8)
      Team:   The Tannehills Have Eyes (Matt)            (ID: t1jd9)
      Team:   Beige - Arthritis = War  (Tom O)           (ID: t1jdd)
  Kind: fantasy
  Sport: football
  Gender: male
  Country: USA
  State: Texas
  Level: A
  Season: 2015 (current: True)
  Author: Stephen Crouch
  Note: 
  LotteryNote: N/A
LeagueEnd

SortBegin
League:
Wins, Total Points
Div:
Wins, Total Points
SortEnd

RulesBegin
  PointsForWinInRegulation:  1
  PointsForWinInOvertime:  1
  PointsForWinInShootout:  1
  PointsForLossInRegulation:  0
  PointsForLossInOvertime:  0
  PointsForLossInShootout:  0
  PointsForTie:  0.5
  PercentOfGamesThatEndInTie:  0.05
  PercentOfGamesThatEndInOvertimeWin:  0
  PercentOfGamesThatEndInShootoutWin:  0
  HomeFieldAdvantage:  0.5
  WeightType:  Pythagorean
  WeightExponent:  14
  WhatDoYouCallATie:  tie
  WhatDoYouCallLottery:  lottery
  WhatDoYouCallPromoted:  promoted
  Promote:  0
  PromotePlus:  0
  PromotePlusPercent:  0
  WhatDoYouCallDemoted:  relegated
  Demote:  0
  DemotePlus:  0
  DemotePlusPercent:  0
RulesEnd

GamesBegin
TeamListedFirst: home
9/10/15    Dan       106-65    Stephen   (ID: g1nugy)
9/10/15    Matt      70-87     Chelsea   (ID: g1nugz)
9/10/15    Nathan    51-82     Keith     (ID: g1nuh0)
9/10/15    Tom       104-134   Justin    (ID: g1nuh1)
9/10/15    Tom O     115-103   Jordan    (ID: g1nuh2)
9/17/15    Dan       93-38     Tom O     (ID: g1nuh3)
9/17/15    Jordan    93-56     Chelsea   (ID: g1nuh4)
9/17/15    Keith     74-89     Matt      (ID: g1nuh5)
9/17/15    Nathan    100-81    Tom       (ID: g1nuh6)
9/17/15    Stephen   95-73     Justin    (ID: g1nuh7)
9/24/15    Chelsea   92-36     Tom O     (ID: g1nuh8)
9/24/15    Jordan    136-74    Keith     (ID: g1nuh9)
9/24/15    Justin    128-130   Dan       (ID: g1nuha)
9/24/15    Stephen   102-113   Nathan    (ID: g1nuhb)
9/24/15    Tom       72-122    Matt      (ID: g1nuhc)
10/1/15    Dan       98-77     Nathan    (ID: g1nuhd)
10/1/15    Justin    96-102    Chelsea   (ID: g1nuhe)
10/1/15    Matt      64-81     Jordan    (ID: g1nuhf)
10/1/15    Tom       51-72     Stephen   (ID: g1nuhg)
10/1/15    Tom O     60-81     Keith     (ID: g1nuhh)
10/8/15    Dan       107-74    Tom       (ID: g1nuhi)
10/8/15    Keith     84-73     Chelsea   (ID: g1nuhj)
10/8/15    Nathan    114-77    Justin    (ID: g1nuhk)
10/8/15    Stephen   76-129    Jordan    (ID: g1nuhm)
10/8/15    Tom O     95-82     Matt      (ID: g1nuhn)
10/15/15   Chelsea   105-81    Tom       (ID: g1nuhp)
10/15/15   Jordan    88-97     Justin    (ID: g1nuhq)
10/15/15   Keith     78-79     Stephen   (ID: g1nuhr)
10/15/15   Matt      86-119    Dan       (ID: g1nuhs)
10/15/15   Tom O     76-63     Nathan    (ID: g1nuht)
10/22/15   Dan       71-103    Chelsea   (ID: g1nuhu)
10/22/15   Justin    90-122    Keith     (ID: g1nuhv)
10/22/15   Nathan    73-79     Matt      (ID: g1nuhw)
10/22/15   Stephen   73-128    Tom O     (ID: g1nuhx)
10/22/15   Tom       83-93     Jordan    (ID: g1nuhy)
10/29/15   Chelsea   73-73     Nathan    (ID: g1nuhz)
10/29/15   Jordan    124-100   Dan       (ID: g1nui0)
10/29/15   Keith     109-90    Tom       (ID: g1nui1)
10/29/15   Matt      82-108    Stephen   (ID: g1nui2)
10/29/15   Tom O     89-113    Justin    (ID: g1nui3)
11/5/15    Chelsea   100-108   Keith     (ID: g1nui4)
11/5/15    Justin    75-116    Tom       (ID: g1nui5)
11/5/15    Matt      82-75     Tom O     (ID: g1nui6)
11/5/15    Nathan    72-77     Jordan    (ID: g1nui7)
11/5/15    Stephen   129-134   Dan       (ID: g1nui8)
11/12/15   Chelsea             Matt      (ID: g1nui9)
11/12/15   Dan                 Keith     (ID: g1nuia)
11/12/15   Jordan              Tom O     (ID: g1nuib)
11/12/15   Justin              Stephen   (ID: g1nuic)
11/12/15   Tom                 Nathan    (ID: g1nuid)
11/19/15   Chelsea             Jordan    (ID: g1nuie)
11/19/15   Dan                 Justin    (ID: g1nuif)
11/19/15   Matt                Keith     (ID: g1nuig)
11/19/15   Nathan              Stephen   (ID: g1nuih)
11/19/15   Tom                 Tom O     (ID: g1nuii)
11/26/15   Justin              Matt      (ID: g1nuij)
11/26/15   Keith               Jordan    (ID: g1nuik)
11/26/15   Nathan              Dan       (ID: g1nuim)
11/26/15   Stephen             Tom       (ID: g1nuin)
11/26/15   Tom O               Chelsea   (ID: g1nuip)
12/3/15    Jordan              Matt      (ID: g1nuiq)
12/3/15    Justin              Nathan    (ID: g1nuir)
12/3/15    Keith               Tom O     (ID: g1nuis)
12/3/15    Stephen             Chelsea   (ID: g1nuit)
12/3/15    Tom                 Dan       (ID: g1nuiu)
GamesEnd