This Bible contradiction is from the Skeptic's Annotated Bible.

Verses

The Son of God.

Mark 15:39 View context

And when the centurion, which stood over against him, saw that he so cried out, and gave up the ghost, he said, Truly this man was the Son of God.

Matthew 27:54 View context

Now when the centurion, and they that were with him, watching Jesus, saw the earthquake, and those things that were done, they feared greatly, saying, Truly this was the Son of God.

A righteous man.

Luke 23:47 View context

Now when the centurion saw what was done, he glorified God, saying, Certainly this was a righteous man.