Ok, so here's the OOTP13 Quickstart version. We're now in the year 2031, there are 28 teams (two 14-team leagues) and the playoffs are set to allow 5 teams from each league, making use of the flexible playoff formats of OOTP. The playoff format is (3-7-7-9), with all but the 4th and 5th seeds getting wild card round byes.
Create a D2D.quick folder in your OOTP13/quickstarts folder and insert the contents of this zip into it.
You can download the file here.