Baltimore Ravens starting quarterback Joe Flacco is expected to miss between three and six weeks of action due to a disc issue in his back, the NFL said on its website on Wednesday.
The 32-year-old, who is set to enter his 10th season, played in all 16 games in eight of his nine seasons, only missing time in 2015 with a knee injury.
Last season, Flacco threw for 4,317 yards with 20 touchdowns and 15 interceptions as the Ravens missed the postseason for the third time in four years.
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