Leaving Tottenham with 72 points, a new record for the club, but sitting in fifth.
He rallied to a 12th-place finish that left him with 6,140 points to Johnson's 6,157.
For a time this left the club at the foot of the Division with 2 points.
Anderson was the story, though, especially after Coleman left for good with 5 points.
The goal and the victory left the Rangers with 41 points after 42 games.
Muller left as the team's leading career scorer with 520 points.
"We had to leave here with 2 points, not just 1, and they delivered."
Lopez's two baskets in the final 10 seconds left him with 14 points.
He left the game with only 6 points, 3 assists and a steal.
It did not look like much when Houston left the floor with 2 points and having contributed nothing on defense.