Follow this model for rebuild: 49ers

[THE PISTONS]

So under Personnel & Scouting...the 49ers have 21 people listed. That doesn't count John Lynch who is their GM. And they have a football analytics department in addition that has a salary cap specialist. Another 8 employees. So 29 total!

The Bengals have 8 people listed for Player Personnel...which appears to include their Analytics Dept...

49ers Personnel & Scouting
Adam Peters Vice President of Player Personnel
Martin Mayhew Vice President of Player Personnel
Keena Turner Vice President and Senior Advisor to the General Manager
Ran Carthon Director, Pro Personnel
Ethan Waugh Director, College Scouting
R.J. Gillen Pro Personnel Scout
Justin Chabot National Scout
Chip Flanagan National Scout
Tariq Ahmad Area Scout
Dominic DeCicco Area Scout
Ryan Kessenich Area Scout
Steve Rubio Area Scout
John Stevenson Area Scout
Joshua Williams Area Scout
Salli Clavelle Pro Personnel Analyst
Fred Gammage III Pro Personnel Analyst
Crowley Hanlon Pro Personnel Coordinator
Travis Dauro College Scouting Coordinator
Thomas Tupa Scouting Assistant
Warren Ball Scouting Assistant
Steve Slowik Scouting Assistant

49ers Football Operations
Brian Hampton Director, Football Administration & Analytics
Kwesi Adofo-Mensah Director, Football R&D
Steve Wagner Manager, Football Systems
Demitrius Washington Manager, Football R&D
Neil Mayfield Software Developer
Dyng Au Software Developer
Richard Buffum Contract Administrator
Jeffrey Diamond Salary Cap Analyst

Bengals Player Personnel
Duke Tobin Director of Player Personnel
Mike Potts Scouting Director (College)
Steven Radicevic Scouting Director (Pro)
Bill Tobin Personnel Executive
Andrew Johnson Scout
Christian Sarkisian Scout
Geoff Smith Scouting Technology Consultant
Debbie LaRocco Personnel Assistant