PFF has Brodric Martin as one of their biggest sleepers in the draft.
"Martin is a discount store version of Jordan Davis, last year’s first defensive tackle drafted. He has egregiously long arms (34 3/8 inches) for an over 7-foot wingspan and holds 337 pounds with ease. He’s got all the makings of a two-gapper at the next level. He took a massive step forward with his performance this past fall, racking up 23 pressures and earning a 77.5 pass-rushing grade."
https://www.pff.com/news/draft-biggest-sleepers-2023-nfl-draft-class