St. Louis, MO (Sports Network) - Sam Bradford connected on a pair of touchdown passes and was aided by a stifling defense as the St. Louis Rams downed the Arizona Cardinals, 17-3. Bradford completed just 7-of-21 passes for 141 yards with an interception for St. Louis (3-2), which has won its last two games to push its record over the .500 mark for the first time since 2006. Robert Quinn collected three sacks to lead a defensive unit that racked up nine sacks of Arizona quarterback Kevin Kolb. Steven Jackson carried the ball 18 times for 76 yards, while Chris Givens and Lance Kendricks each caught a touchdown in the win. Kolb went 28-for-50 through the air for 289 yards for the Cardinals (4-1), who were dealt their first loss of the season. Larry Fitzgerald paced all receivers with eight receptions for 92 yards in defeat.