In addition to needing to rise from the dead, would He also have to spend 3 daytimes as well as 3 night times in the "heart of the earth"?
did He not?
-- in case you have the position that He was crucified on friday and that there's no way for 3 days and nights to pass before rising sunday, our brother Hizikyah has started an excellent thread on the subject here:
http://christianchat.com/bible-discussion-forum/159572-when-messiah-put-grave-when-did-he-resurrect.html