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Falcons quarterback Matt Ryan did something unprecedented on Sunday. And not in a good way.

Ryan completed 34 of 61 passes for 301 yards in a loss to the Cardinals, an average of 4.9 yards per pass attempt. According to Pro Football Reference, that marked the first time in NFL history that a quarterback passed for more than 300 yards while averaging less than 5.0 yards per attempt.

Throw in the fact that Ryan also threw four interceptions and his team lost 27-13 in a game that wasn’t even as close as that score indicates, and Ryan may very well have had the worst 300-yard game in NFL history.

There are other candidates for the crown of “worst 300-yard game ever.” Just last year Drew Brees turned in a 28-for-50, 341-yard, no-touchdown, five-interception game in a 23-13 loss to the Falcons. In 2009 Jay Cutler had 307 yards on 29-of-52 passing, with no touchdowns and five interceptions, in a 10-6 loss to the 49ers. Drew Bledsoe once threw for 331 yards while completing just 23 of 49 passes, with no touchdowns and four interceptions in a 24-9 loss to the Eagles. In 1983 Browns quarterback Brian Sipe completed 27 of 49 passes for 310 yards, with no touchdowns and six interceptions in a 44-17 loss to the Steelers.

But none of those quarterbacks reached 300 yards without even averaging five yards a pass. Ryan had a 300-yard game like no other quarterback before him.