2 or 3 points?

[onetime1]

Here's the text of 5-2-1:

A successful try, tap or thrown ball from the field by a player who is located behind the team's own 19-foot, 9-inch arc counts three points. A ball that touches the floor, a teammate inside the arc, an official, or any other goal from the field counts two points for the team into whose basket the ball is thrown.
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5-2-1 clearly states "a teammate"... why does it not address the defense? If the ball is deflected in the basket by a defender on a post feed is it covered by the rule? Think of the defender who is covering the passer with the ball. The passer is behind the line. The defender is inside the arc. The ball is passed from the offensive player on a post feed and the defender closest to the ball deflects it into the basket.