Jones and Matyushenko both checked in at 206 pounds to make their light heavyweight bout official.
The rest of the weigh-in results are below.
Jon Jones (206) vs. Vladimir Matyushenko (206)
Mark Munoz (185) vs. Yushin Okami (185)
Jake Ellenberger (170.5) vs. John Howard (170.5)
Tyson Griffin (154) vs. Takanori Gomi (156)
Paul Kelly (155) vs. Jacob Volkmann (156)
DaMarques Johnson (172)* vs. Matt Riddle (171)
James Irvin (205) vs. Igor Pokrajac (204.5)
Brian Stann (186) vs. Mike Massenzio (184)
Darren Elkins (154.5) vs. Charles Oliveira (154)
Rob Kimmons (185) vs. Steve Steinbeiss (185)
*According to a UFC official, Johnson couldn't cut any more weight. His official weight is 172, and he'll have to give up 20% of his purse to Riddle.