Co-headliners No.10 ranked Alan Belcher (185) and TUF 3 winner Michael Bisping (186) is also official. Both started trash talking during staredown and almost started the fight right there.
Roy Nelson showed 258 pounds, while Cheick Kongo 237.
UFC 159 takes place tomorrow at Prudential Center in Newark, New Jersey.
Full weigh-in results:
Champ Jon Jones (205) vs. Chael Sonnen (205) –UFC light-heavyweight championship
Alan Belcher (185) vs. Michael Bisping (186)
Cheick Kongo (237) vs. Roy Nelson (258)
Phil Davis (205) vs. Vinny Magalhaes (205.5)
Pat Healy (155.5) vs. Jim Miller (155)
PRELIMINARY CARD (FX, 8 p.m. ET)
Rustam Khabilov (156) vs. Yancy Medeiros (155.5)
Ovince St. Preux (206) vs. Gian Villante (206)
Sheila Gaff (133) vs. Sara McMann (134)
Johnny Bedford (136) vs. Bryan Caraway (136)
PRELIMINARY CARD (Facebook, 6:30 p.m. ET)
Leonard Garcia (145) vs. Cody McKenzie (145)
Nick Catone (173) vs. James Head (170.25)
Kurt Holobaugh (145) vs. Steven Siler (145.25)