I've been following the NFL on and off for a long time so I'd like to think I know something about it.
As
@KLo30 says, see the first page but to help get you started on the basics.
A good starting point for NFL in general is the ESPN NFL site:
https://www.espn.com/nfl/
This site contains team line-ups, depth charts, schedules, injuries, fantasy advice etc
A good starting point for NFL fantasy is the FantasyPros site:
https://www.fantasypros.com/nfl/
This site provides advice on all things fantasy. When looking up rankings remember that the RDT scoring is mostly 2 x half PPR.
It is
not PPR. Half PPR and PPR scoring is identical except that a reception is given 0.5 points in half PPR, 1.0 points in PPR. RDT gives 1.0 p;oints for a reception and doubles everything else as well.
The only difference is that place kickers aren't deducted points for misses.
The NFL treats the reporting of injuries much better than the AFL.
DNP and LP
Each team issues practice reports and if a player does not practice, for whatever reason, they are listed as DNP. If they do only a light practice they are listed as LP.
DNPs early in the week can be relatively meaningless as players are often enough just given the day off. DNPs late in the week, Thursdays and Fridays are more significant,
Probable, questionable and doubtful.
Each team
has to list the injury status of any player with a chance of missing the next game, no matter how slim the chance of missing might be.
Probable: the player has some sort of injury but is very likely to play. It is rare that a player listed as probable does not play.
Questionable: the player is a roughly 50-50 chance of playing. This is often used for players with things like bruising, sprains, concussions etc
Dountful: the player is very unlikely to play and it is very rare that they do.
To the best of my knowledge the NFL polices the use of these designations: have too many "unlikely" play and they notice.
Out and IR/PUP
Out: a team might announce a player is out earlier but at the latest they do so roughly 90 min before a game when they release team sheets.
The designation only applies to that game. The player is automatically assumed to be available for the nrxt game.
IR/PUP: if a player is injured and unable to play he is designated Physically Unable to Perform (PUP) and is uitomatically eligible to be placed on Injured Reserve (IR). But as a player on IR has to miss the next 4 games a team might decide to keep the player listed as PUP off IR.
When a player is placed on IR their team can add a replacement player to their 53-man roster for the duration.
