The 2024 NFL draft is finally here, and I'm back for one last update of my prospect rankings ahead of Round 1, which begins Thursday at 8 p.m. ET on ESPN, ABC and the ESPN App. I've been doing near-weekly updates to my rankings since the college football season began, and I've adjusted them recently based on everything that happened at the combine (on and off the field), numbers we've gotten from pro day workouts and buzz I've heard from NFL scouts, coaches and execs.

Time to dig into my final Big Board and position rankings for the 2024 class. I ranked 150 total prospects and went deep for each position, particularly at wide receiver and cornerback, where we could see several get picked between Rounds 1 and 7. Every team is trying to stockpile at those positions.

One thing I like to say about my Big Board every year: This is not a mock draft or prediction of where prospects will be drafted. These are my personal rankings. Sure, I want to have a realistic board based on how the draft plays out this weekend, but my goal is to rank the great players at the top and the not-so-great prospects at the bottom. You can check out my favorite prospects at every position, too.

I have write-ups for the top 25 prospects and then I'll list the rest of the names. I'll also be making minor tweaks right up until the first round begins, based on late-breaking reports and calls. Let's get into it, with the position-by-position rankings at the bottom (Last updated: April 23 at 7 a.m. ET):

Jump to: Position rankings
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1. Caleb Williams, QB, USC

6-foot-1, 214 pounds