Verses with the word champion in the Old Testament (3 verses):
1 Samuel 17:4
And there went out a champion out of the camp of the Philistines, named Goliath, of Gath, whose height was six cubits and a span.
1 Samuel 17:23
And as he talked with them, behold, there came up the champion, the Philistine of Gath, Goliath by name, out of the armies of the Philistines, and spake according to the same words: and David heard them.
1 Samuel 17:51
Therefore David ran, and stood upon the Philistine, and took his sword, and drew it out of the sheath thereof, and slew him, and cut off his head therewith. And when the Philistines saw their champion was dead, they fled.