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:     Pops Bowl 2019              (PopsBowl2019) (ID: 1a1yc) (Sort: League) (Playoffs: 4)
    Division: East                                       (ID: d15sv) (Sort: Div) (Playoffs: 1)
      Team:   Instant Karma               (Karm)         (ID: t1xwe)
      Team:   Kerryon my wayward son      (Kery)         (ID: t1xwf)
      Team:   Team Ramrod                 (RamR)         (ID: t1xwg)
      Team:   Ryan Rebuilds               (Ryan)         (ID: t1xwi)
      Team:   Taco Tuesday                (Taco)         (ID: t1xwj)
    Division: West                                       (ID: d15sw) (Sort: Div) (Playoffs: 1)
      Team:   Apex Predators              (Apex)         (ID: t1xwc)
      Team:   Hide and Zeke               (Hide)         (ID: t1xwd)
      Team:   Running Backs Win Titles    (Runn)         (ID: t1xwh)
      Team:   Tanking Aint Easy           (Tank)         (ID: t1xwk)
      Team:   Winners Circle Trades4Nudes (Winn)         (ID: t1xwm)
  Kind: fantasy
  Sport: football
  Gender: coed
  Country: USA
  State: 
  Level: A
  Season: 2019-2019 (current: True)
  Author: Michael
  Note: 
  LotteryNote: 
LeagueEnd

SortBegin
Div:    Wins,GoalsFor
League: MoveClinchedToFront, Points
SortEnd

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

GamesBegin
TeamListedFirst: home
9/8/17     Apex   187.4-186.7   Winn   (ID: g1zn5g)
9/8/17     Karm   136-196.6     Taco   (ID: g1zn5h)
9/8/17     Kery   131.8-162.9   Tank   (ID: g1zn5i)
9/8/17     Runn   172.9-125.3   RamR   (ID: g1zn5j)
9/8/17     Ryan   131.8-168.4   Hide   (ID: g1zn5k)
9/15/17    Hide   130.7-146.7   Karm   (ID: g1zn5m)
9/15/17    Kery   134.3-149.5   Apex   (ID: g1zn5n)
9/15/17    Ryan   172.2-164.4   Runn   (ID: g1zn5p)
9/15/17    Tank   119.2-143     RamR   (ID: g1zn5q)
9/15/17    Winn   106.8-168.8   Taco   (ID: g1zn5r)
9/22/17    RamR   110.1-151.3   Kery   (ID: g1zn5s)
9/22/17    Runn   186.3-174.8   Karm   (ID: g1zn5t)
9/22/17    Taco   158-210       Apex   (ID: g1zn5u)
9/22/17    Tank   140.4-150     Ryan   (ID: g1zn5v)
9/22/17    Winn   129.7-167.6   Hide   (ID: g1zn5w)
9/29/17    Apex   177.7-114     Hide   (ID: g1zn5x)
9/29/17    Karm   155.8-139.3   Winn   (ID: g1zn5y)
9/29/17    Kery   142.7-178     Ryan   (ID: g1zn5z)
9/29/17    RamR   108.8-120.9   Taco   (ID: g1zn60)
9/29/17    Runn   161.3-85      Tank   (ID: g1zn61)
10/6/17    Apex                 Karm   (ID: g1zn62)
10/6/17    Hide                 Taco   (ID: g1zn63)
10/6/17    Kery                 Runn   (ID: g1zn64)
10/6/17    Ryan                 RamR   (ID: g1zn65)
10/6/17    Tank                 Winn   (ID: g1zn66)
10/13/17   Apex                 Ryan   (ID: g1zn67)
10/13/17   Hide                 Tank   (ID: g1zn68)
10/13/17   Karm                 Kery   (ID: g1zn69)
10/13/17   Taco                 Runn   (ID: g1zn6a)
10/13/17   Winn                 RamR   (ID: g1zn6b)
10/20/17   Kery                 Taco   (ID: g1zn6c)
10/20/17   RamR                 Hide   (ID: g1zn6d)
10/20/17   Runn                 Winn   (ID: g1zn6e)
10/20/17   Ryan                 Karm   (ID: g1zn6f)
10/20/17   Tank                 Apex   (ID: g1zn6g)
10/27/17   Apex                 RamR   (ID: g1zn6h)
10/27/17   Hide                 Runn   (ID: g1zn6i)
10/27/17   Karm                 Tank   (ID: g1zn6j)
10/27/17   Taco                 Ryan   (ID: g1zn6k)
10/27/17   Winn                 Kery   (ID: g1zn6m)
11/3/17    Karm                 Apex   (ID: g1zn6n)
11/3/17    RamR                 Runn   (ID: g1zn6p)
11/3/17    Ryan                 Winn   (ID: g1zn6q)
11/3/17    Taco                 Hide   (ID: g1zn6r)
11/3/17    Tank                 Kery   (ID: g1zn6s)
11/10/17   Kery                 Hide   (ID: g1zn6t)
11/10/17   RamR                 Tank   (ID: g1zn6u)
11/10/17   Runn                 Ryan   (ID: g1zn6v)
11/10/17   Taco                 Karm   (ID: g1zn6w)
11/10/17   Winn                 Apex   (ID: g1zn6x)
11/17/17   Karm                 Hide   (ID: g1zn6y)
11/17/17   Kery                 RamR   (ID: g1zn6z)
11/17/17   Runn                 Apex   (ID: g1zn70)
11/17/17   Ryan                 Tank   (ID: g1zn71)
11/17/17   Taco                 Winn   (ID: g1zn72)
11/24/17   Apex                 Taco   (ID: g1zn73)
11/24/17   Hide                 Winn   (ID: g1zn74)
11/24/17   RamR                 Karm   (ID: g1zn75)
11/24/17   Ryan                 Kery   (ID: g1zn76)
11/24/17   Tank                 Runn   (ID: g1zn77)
12/1/17    Hide                 Apex   (ID: g1zn78)
12/1/17    RamR                 Ryan   (ID: g1zn79)
12/1/17    Runn                 Kery   (ID: g1zn7a)
12/1/17    Tank                 Taco   (ID: g1zn7b)
12/1/17    Winn                 Karm   (ID: g1zn7c)
12/8/17    Apex                 Kery   (ID: g1zn7d)
12/8/17    Hide                 Ryan   (ID: g1zn7e)
12/8/17    Karm                 Runn   (ID: g1zn7f)
12/8/17    Taco                 RamR   (ID: g1zn7g)
12/8/17    Winn                 Tank   (ID: g1zn7h)
GamesEnd