Sure thing.
Picks 1-10 First Round : Between 6 to 10 Million per season
Pick 11-15 First Round : Between 3 to 5 Million per season
Picks 16-32 First Round : Between 1.5 to 3 Million per season
First round picks sign 5 or 6 year contracts depending on when they are taken.
Round 2 of the Draft is about 1 to 1.5 Million per season if I remember correctly, with a 4 year contract
Round 3 is about 3 to 4 Million for 4 years unless I am mistaken
3 to 4 year contracts
Round 4 is between 2 to 3 Million for 3 Years
Round 5 and above is about 500k to 750k per season for how ever long the contract is, usually 2 to 3 years unless I am mistaken.
Depending on where your pics are, u will need a cap room of about 10 million for the Draft unless u had a rough season and are near the top of the picking order, and if that is the case, I would say 15 to 20 million is safe.
Now, You have to plan on how many picks u have each round to. If u have a 1 thru ten pick and then a second first round pick later on, you will be signing both of those players for around 12 million a year alone. That's why i say it is sometimes better to trade down and save money unless u absolutely NEED, not want, a player in the draft.
Also, when negotiating contracts, try to get someone to sign with NO signing bonus in rounds 3 thru 7 picks. That way, if u find they are a bust, you can cut them and not suffer a penalty for the next season.
Here is another tip. It's ok to sign backups to Incentives like starting 16 games and such cause the odds are, they won't get 16 starts in a season as a backup and they are likely to take less money per year if u give them an incentive or two.
I hope this answers your question and feel free to ask if U need any more help.