Top 20 RBs in 2023:
1. Christian McCaffrey (1459) | San Francisco 49ers RB. / 1st
2. Derrick Henry (1167) | Tennessee Titans RB / 2nd
3. Kyren Williams (1144) | Los Angeles Rams RB. / 5th
4. James Cook (1122) | Buffalo Bills RB / 2nd
5. D'Andre Swift (1049) | Philadelphia Eagles RB / 2nd
6. James Conner (1040) | Arizona Cardinals RB. / 3rd
7. Najee Harris (1035) | Pittsburgh Steelers RB. / 1st
8. Joe Mixon (1034) | Cincinnati Bengals RB. /. 2nd
9. David Montgomery (1015) | Detroit Lions RB. / 3rd
10. Raheem Mostert (1012) | Miami Dolphins RB. /. UDFA
11. Travis Etienne Jr. (1008) | Jacksonville Jaguars RB / 1st
12. Tony Pollard (1005) | Dallas Cowboys RB / 4th
13. Breece Hall (994) | New York Jets RB / 2nd
14. Rachaad White (990) | Tampa Bay Buccaneers RB / 3rd
15. Bijan Robinson (976) | Atlanta Falcons RB / 1st
16. Saquon Barkley (962) | New York Giants RB 1st
17. Jahmyr Gibbs (945) | Detroit Lions RB / 1st
18. Isiah Pacheco (935) | Kansas City Chiefs RB / 7th
19. Kenneth Walker III (905) | Seattle Seahawks RB / 2nd
20. Chuba Hubbard (902) | Carolina Panthers RB / 4th
1st round - 6
2nd rounds - 6
3rd round - 3
4th round - 2
5th round - 1
6th round -0
7th round - 1
UDFA - 1
Only 3 of the top 20 backs were taken after the 4th round. There are always a few outliers, but if you want a primary RB good luck finding him in the 5th or later.
For various reasons, round 1 may not be the wisest. The sweet spot is rounds 2-3.