Flacco went 20-of-38 through the air, finding Anquan Boldin seven times for 110 yards and Todd Heap with six passes for 72 yards for Baltimore (1-0).
The Ravens kept New York quarterback Mark Sanchez under tight control, holding him to 74 yards on 10-of-21 attempts, and limited the Jets to just 176 yards of total offense.
The Jets (0-1) were penalty-prone, committing 14 infractions for a total of 125 yards, their highest total since 1988, in dropping their first regular-season game at the New Meadowlands Stadium.
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