My 1 and only mock draft,
https://49erscap.com/index.php/2021/04/21/2021-49ers-7-round-mock-draft/
Round 1- QB Justin Fields, Ohio State
Round 2- CB Kelvin Joseph, Kentucky (I would trade down a bit, and gain an extra 3rd-round pick)
Round 3a- IOL Kendrick Green, Illinois
Round 3b- WR Jaelon Darden, North Texas
Round 4- CB Benjamin St. Juste, Minnesota
Round 5a- EDGE Jonathon Cooper, Ohio State
Round 5b- TE Brevin Jordan, Miami(Fla.)
Round 5c- LB Ernest Jones, South Carolina
Round 6- IOL Sadarius Hutcherson, South Carolina
Round 7- LB K.J. Britt, Auburn
With this draft, my projected 53-man roster would look something like this.
QB(3): Jimmy Garoppolo(2022)/ Justin Fields(2024)/ Nate Sudfeld(2021)
RB(4): Raheem Mostert(2021)/ Jeff Wilson Jr.(2021)/ Wayne Gallman Jr.(2021)/ JaMycal Hasty(2021)
FB(1): Kyle Juszyzck(2025)
WR(6): Brandon Aiyuk(2023)/ Deebo Samuel(2022)/ Jaelon Darden(2024)/ Trent Sherfield(2021)/ Jalen Hurd(2022)/ Richie James Jr.(2021)
TE(4): George Kittle(2025)/ Ross Dwelley(2021)/ Brevin Jordan(2024)/ Charlie Woerner(2023)
C(2): Alex Mack(2023)/ Kendrick Green(2024)
OG(4): Laken Tomlinson(2021)/ Daniel Brunskill(2021)/ Colton McKivitz(2023)/ Sadarius Hutcherson(2024)
OT(3): Trent Williams(2026)/ Mike McGlinchey(2021)/ Justin Skule(2022)
DE(5): Arik Armstead(2024)/ Nick Bosa(2022)/ Samson Ebukam(2022)/ Jonathon Cooper(2024)/ Arden Key(2021)
DT(2): Javon Kinlaw(2023)/ Kevin Givens(2021)
NT(2): D.J. Jones(2021)/ Zach Kerr(2021)
LB(4): Fred Warner(2021)/ Dre Greenlaw(2022)/ Ernest Jones(2024)/ K.J. Britt(2024)
CB(5): Jason Verrett(2021)/ Emmanuel Moseley(2022)/ K'Waun Williams(2021)/ Kelvin Joseph(2024)/ Benjamin St. Juste(2024)
FS(2): Jimmie Ward(2022)/ Tavon Wilson(2021)
SS(3): Jaquiski Tartt(2021)/ Tarvarius Moore(2021)/ Marcell Harris(2021)
ST(3): Robbie Gould(2022)/ Mitch Wishnowsky(2022)/ Taybor Pepper(2022)
Short Term IR: DE Dee Ford(2022)