NET

51 David ran and stood over the Philistine. He grabbed Goliath’s sword, drew it from its sheath, and after killing him, he cut off his head with it. When the Philistines saw their champion was dead, they ran away.

Darby

51 And David ran, and stood upon the Philistine, and took his sword, and drew it out of its sheath, and killed him completely, and cut off his head with it. And when the Philistines saw that their hero was dead, they fled.

KJV

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.