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SanAntonioSteelerFan
01-20-2011, 01:27 PM
http://fifthdown.blogs.nytimes.com/2011 ... mode=print (http://fifthdown.blogs.nytimes.com/2011/01/20/conference-championship-probabilities-going-deep-with-steelers/?pagemode=print)


January 20, 2011, 9:00 am

Conference Championship Probabilities: Going Deep With Steelers
By BRIAN BURKE
Brian Burke, a former Navy pilot who has taken up the less dangerous hobby of N.F.L. statistical analysis, operates Advanced NFL Stats, a blog about football, math and human behavior.

When Jets defenders square off against Ben Roethlisberger and the Steelers’ offense Sunday, they are likely to see a different style of attack than they faced against Tom Brady and the Patriots. Brady’s offense depended on stringing together short plays with high probabilities of success. This style minimizes risks like sacks and turnovers. The Steelers’ offense is the opposite. It relies on big plays to stretch the field and to open up space underneath to convert first downs when necessary.

Both Brady and Roethlisberger are big producers for their teams. Brady, in his second-best season, produced 0.24 Expected Points Added (EPA) per play. Roethlisberger also had his second-best season, producing 0.23 EPA per play.

The Patriots’ offense was characterized by a league-leading 49.4 percent Success Rate (SR), a statistic that simply counts the proportion of plays that improve an offense’s scoring potential. Tom Brady threw only 14 percent of his pass attempts deep (defined as greater than 15 yards beyond the line of scrimmage), putting him second only to the rookie Sam Bradford in how rarely he threw downfield.

The Steeler offense’s SR was a slightly-below-average 43.1 percent but was still a top-10 offense in terms of EPA and passing efficiency. They were able to be so successful thanks to their big-play strategy. Roethlisberger threw deep on over 26 percent of his attempts this season, more frequently than any other quarterback with 10 or more starts.

The way to stop the Steelers’ offense is to take away the deep pass. In fact, the more the Jets’ defense can force them away from passing at any depth and toward running on first and second downs, the better. Despite their reputation as a “run-first” team, the Steelers are actually a mediocre running team with a 38 percent SR, ranking 27th in the league.

Battling the fierce Steelers defense will be tough. They appear to be good across the board, but they do have a blemish. Deep pass attempts against the Steelers are successful at a 45 percent rate. The Steelers rank 21st in the league in terms of SR, and 12th in terms of EPA. The trick is protecting Mark Sanchez long enough to allow deep routes to open up. And one added benefit of deep pass attempts is that interceptions aren’t necessarily very damaging.

The stats suggest the Jets’ game plan should focus on deep passes — denying them on defense, and making them on offense. Full statistical breakdowns of this Sunday’s games are available here: NYJ-PIT http://wp.advancednflstats.com/matchup. ... &hteam=PIT (http://wp.advancednflstats.com/matchup.php?vteam=NYJ&hteam=PIT) and GB-CHI.

And here are the game probabilities for the conference championship games.

Win Chance GAME Win Chance
0.64 Green Bay at Chicago 0.36
0.26 Jets at Pittsburgh 0.74

Brian explained how his predictions work in this post. http://fifthdown.blogs.nytimes.com/2009 ... abilities/ (http://fifthdown.blogs.nytimes.com/2009/09/30/advanced-nfl-stats-week-4-game-probabilities/)

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This guy sounds like a mad genius ... a whole new statistical yardstick for evaluating teams and games. I'd like to know how he did over the course of the season, but either way, he seems to make sense.

He says we need to hit long passes to win ... I say sure, but I don't think they need to be 58 yard bombs - 5 or 6 crossing patterns at 7 yards with 18 yac will be good enough for me!!

He also points out what we all know - WE are susceptible to the deep pass. If Troy is "healthy Troy", I'm comfortable that we'll do fine in that dept. If not, it will be a nail biter till the end.

And no turnovers, please!!

papillon
01-20-2011, 01:44 PM
Two things from my point of view and the Steelers win.

Limit special teams mistakes to zero
Make Sanchez move the ball 60 plus yards for points

These two things will almost guarantee victory. I don't see Sanchez being able to methodically time after time move the ball long distances for points without making mistakes. And, don't give up any big plays to their special teams, all out special teams have to be is average, they don't need to be special, but they can't be bad.

Pappy

pick6
01-21-2011, 01:27 AM
I don't completely agree with this guys analysis, and I too would like to see how he did throughout the season. As for the deep ball percentage being high, percentage of success is not a good measure of this category. A better number would be the raw data of exactly how many passes of a certain yardage range were completed against us and then compare this number to other teams. This number would tell the true story. I've always thought that our defense was designed to prevent the big play and keep everything in front, then make the tackle thus making us vulnerable to perfect dink and dunkers like brady. Saying that 40+ percent of deep balls are completed against us can be misleading. Say for example only 3 passes of 25 yards or more were completed against us all year. Awesome right. Well not according to %, if for example only 5 such passes were even attempted against the defense then that same number can be made to look bad because that means that 60% of pass attempts of 25 yards or more are completed against us. That sounds terrible from that perspective but in reality teams may not even take that many shots down field because of pass pressure and the safety over the top making the correct read most of the time.

You don't beat the Steelers by going deep all the time, you beat us on special teams or by having a great QB who takes what the defense gives us.... to perfection.

Chachi
01-21-2011, 01:35 AM
He says we need to hit long passes to win ... I say sure, but I don't think they need to be 58 yard bombs - 5 or 6 crossing patterns at 7 yards with 18 yac will be good enough for me!!

According to the article a "deep pass" is anything over 15 yards...


Tom Brady threw only 14 percent of his pass attempts deep (defined as greater than 15 yards beyond the line of scrimmage), putting him second only to the rookie Sam Bradford in how rarely he threw downfield.

For a QB whose career YPA is hovering around 8, that isn't that big of a stretch.