"It was a sweet little touchdown," Palmer said. "That's what he does. He's so shifty. It's like somebody's controlling him with a joystick. He is so quick and so hard to find on those little quick screens."
Brown took the short toss in the flat and eluded tacklers into the end zone, capping an 11-play, 91-yard drive.
"When I first caught the ball, I saw a Charger player coming, and I saw our guy block him," Brown said, "and I saw another Charger dude coming, and I took a step inside and he got blocked, and I ran right in the end zone."
Arizona trailed 17-6 after three quarters.
The Cardinals took the punt at their 9-yard line with 6:50 to go and mounted the long scoring march.
The Cardinals had a 211-108 advantage in yards in the first two quarters but led only 6-3 on Catanzaro's 44-yarder as the half ended.
Arizona scored first on Catanzaro's 22-yard field goal with 12:42 left in the first half.
Arizona's Larry Fitzgerald caught one pass with 4:04 to play to keep alive his streak of at least one reception in 150 consecutive games.
Copyright 2014 by The Associated Press