Before he left it sounds like Abrams has been has been remodeled the SAP program, in this updated version the focus is more about fun and encourages for better decision making, a great read nevertheless.

Check it out.

https://www.playfootball.com.au/sites/play/files/2018-08/FOOTBALL_Skill%20Acquisition%20Manual_A4_Web_Single%20Pages%5B1%5D.pdf