Here is the first, beginning of year list of TRUE POSITION player position changes from MFL's default positions. True Position, of course, refers to the defensive positions of Edge Rusher, Interior Defensive Lineman, and Off-Ball Linebacker. MFL, in their backwardsness, does not support these positions, and so to use True Pos on MFL leagues, Edges are classified as DE, DI as DT, and Off-Ball LB as LB.
Probably the most controversial, and biggest named IDP, to have their position changed below is JJ Watt of the Cardinals. It seems as though both ESPN, and the Athletic's Cardinals beat writer Doug Haller, are projecting Watt to be a starter on a 3-man front, with both Chandler Jones and Markus Golden as the starting OLB/Edge Rushers. Because of this I have listed Watt as a DI/DT. However, I'm not expecting that to last the offseason. First off, Watt hasn't played predominantly inside in years. He'll shoot inside on some passing downs from time to time, of course, but he spends the predominant amount of snaps out on the Edge. Secondly, the Cards may say they run a 3-4 on paper, but they really don't. In fact, they're in a 3-4 front less often than league average. On most snaps, they have only 2 DI on the field, and actually use 3 Edge rushers in an unbalanced formation, more than typical. Now, their personnel this year is going to be very different than they had last year, when Chandler Jones was lost to injury. So maybe the plan really is to have Watt inside the tackle. We'll see. But I bet he ends up an Edge.
Player ... TruePos MFL default
Adams, Montravius NEP DT DE
Allen, Zach ARI DT DE
Anderson, Henry NEP DT DE
Anderson, Ryan NYG DE LB
Attaochu, Jeremiah CHI DE LB
Autry, Denico TEN DT DE
Barrett, Shaq DEN DE LB
Biegel, Vince NOS DE LB
Bowser, Tyus BAL DE LB
Brailford, Jordan MIN DE LB
Brown, Cam NYG DE LB
Bullard, Jonathan ATL DT DE
Campbell, Calais BAL DT DE
Carter, Lorenzo NYG DE LB
Casey, Jurrell TEN DT DE
Chubb, Bradley DEN DE LB
Cominsky, John ATL DT DE
Copeland, Brandon ATL DE LB
Coughlin, Carter NYG DE LB
Dupree, Bud PIT DE LB
Ebukam, Samson LAR DE LB
Edwards, Mario CHI DT DE
Egbule, Emeke LAC DE LB
Eguavoen, Sam MIA DE LB
Fackrell, Kyler GBP DE LB
Ferguson, Jaylon BAL DE LB
Fitts, Kylie ARI DE LB
Floyd, Leonard CHI DE LB
Fox, Morgan LAR DT DE
Gaines, Greg LAR DT DE
Gardeck, Dennis ARI DE LB
Garvin, Jonathan GBP DE LB
Gary, Rashan GBP DE LB
Gholston, William TBB DT DE
Gill, Cam TBB DE LB
Golden, Markus ARI DE LB
Green, Rasheem SEA DT DE
Gustin, Porter CLE DE LB
Guy, Lawrence NEP DT DE
Harris, Shelby DEN DT DE
Heyward, Cameron PIT DT DE
Hicks, Akiem CHI DT DE
Highsmith, Alex PIT DE LB
Hill, B.J. NYG DT DE
Hollins, Justin LAR DE LB
Jones, Chandler ARI DE LB
Jones, Dre'Mont DEN DT DE
Judon, Matt BAL DE LB
Keke, Kingsley GBP DT DE
Kennard, Devon ARI DE LB
Lancaster, Tyler GBP DT DE
Landry, Harold FA DE LB
Lewis, Terrell LAR DE LB
Lowry, Dean GBP DT DE
Luvu, Frankie CAR DE LB
Mack, Khalil OAK DE LB
Madubuike, Justin BAL DT DE
Marsh, Cassius PIT DE LB
Martin, Jake HOU DE LB
McPhee, Pernell BAL DE LB
Miller, Christian CAR DE LB
Miller, Von DEN DE LB
Mingo, Barkevious CHI DE LB
Mondeaux, Henry PIT DT DE
Nelson, Anthony TBB DE LB
Nwosu, Uchenna LAC DE LB
O'Connor, Pat TBB DT DE
Odenigbo, Ifeadi NYG DE LB
Okoronkwo, Ogbonnia LAR DE LB
Omenihu, Charles HOU DT DE
Phillips, Jordan ARI DT DE
Quinn, Robert CHI DE LB
Ramsey, Randy GBP DE LB
Ray, Wyatt TEN DE LB
Reed, Malik DEN DE LB
Scarlett, Brennan MIA DE LB
Sieler, Zach MIA DT DE
Smith, Preston WAS DE LB
Smith, Za'Darius BAL DE LB
Smith-Williams, James WAS DT DE
Street, Kentavius SFO DT DE
Strowbridge, Jason MIA DT DE
Toohill, Casey WAS DE LB
Tuitt, Stephon PIT DT DE
Uche, Josh NEP DE LB
Urban, Brent DAL DT DE
Van Ginkel, Andrew MIA DE LB
Van Noy, Kyle NEP DE LB
Vaughters, James CHI DE LB
Walker, DeMarcus DEN DT DE
Watt, J.J. ARI DT DE
Watt, T.J. PIT DE LB
Williams, Leonard NYJ DT DE
Winovich, Chase NEP DE LB
Wise, Deatrich NEP DT DE
Wolfe, Derek DEN DT DE