NFL Situation Spotlight - #46: Teams with a high Pass Defense Rating

If someone where to ask me: "Is their one particularrushing yards against-create a situation that is hard
NFL statistic that you would class as indispensablefor even seasoned handicappers to lay off of. How
when working against the point spread"? It wouldn'tcan you not like a team that appears to be
take me long to respond. The answer-Pass Defenseimpenetrable both in the air and on the ground?
ratings, or PDE for short.Pittsburgh and Tampa Bay have fallen victim to this
This may come as a surprise to those purists whosituation the most over the past 13 seasons with
believe that the NFL is built on the rushing game, butDenver and Baltimore not far behind. This particular
yes, how well a team defends against the pass is atrend is well distributed, however, as 93.8% of teams
huge predictor of future results and this article willin the league have been involved at one time or
explore how this stat can directly influence theanother since '94.
mind-set and subsequent betting actions of theThere are a handful of Secondary conditions that
'Average-Joe' bettor, under the right circumstances.round out this situation. Teams looking to get even
The most effective way to measure the quality of aafter a late field-goal beat them in a previous
teams Pass Defense (as far as handicapping versusmeeting are not included, as well as games where
the point spread is concerned) is by usingthe opponent is coming in off a Straight-Up Dog win.
Yards-per-Play averages, adjusted for the strengthThe full details are below.
of Pass Offenses a team has faced during the(Notes: ASMR stands for Average Spread Margin
season.Rating. A positive rating indicates a trend that is
As an example: going into the last week of the 2006stronger than average versus the line,
season, Chicago ranked 2nd in the league with a PDEnegative-weaker than average. TDIS% is the
Rating of +0.75. This was calculated by takingpercentage of teams in the league that have been
Chicago's Yards-per-Pass play average on defenseinvolved in this situation at one time or another.
(4.77) and subtracting it from how well their pool ofWT% is the percentage of teams that are .500 or
opponents passed the ball themselves (5.52better and SPR is the average spread for teams in
Yards-per-Pass play on offense). 5.52 - 4.77 = +0.75.this situation. For more details, please consult Page 13
It should be noted that, whether I am calculating anof my 2007 NFL Game Sheets Guide.)
offensive rating, or defensive-a positive numberSituational Trend #46 Summary (Last Updated: Jan
always indicates a team that is better than average,15th, 2008)
while a negative rating indicates a team that isPrimary Conditions (Building Blocks)
performing below average in the category we are1) Pass Defense Rating (PDE) > +0.50.
looking at.2) Last game Rushing Yards Against (RYA) < 75.
Now that I have explained the math, what are the3) Last game Total Plays Against (TPA) < 60.
potential uses for this stat? One particular situationSecondary Conditions (Tighteners)
where PDE shows its predictive power is when the1) Exclude Clutch FG Loss in Last Meeting (LM4).
team in question has a PDE rating > +0.50 and is2) Over Under (OU) < 44 in the Current Game.
coming off a game in which they shut down their3) Opponent not off a SU Dog win.
opponents ground attack.Situation Stats
The public loves to bet on teams with tough passASMR: -0.9
defenses and as a result, since 1994, teams with aHome%: 42.7
PDE rating > +0.50 are a dismal 706-789 (47.2%)Dog%: 32.7
ATS.TDIS%: 96.9
This is the first Primary condition for this particularWT%: 84.2
situation. The 2nd is that our focus team is comingSPR: -2.63
off a game in which they limited their opponent toTop Teams: PIT(20); TB(14); DEN(13); BAL(12)
less than 75 rushing yards. After this stipulation, theSituation Records
record now becomes167-260 (39.1%) ATS whichOverall (Since '94): 32-127 ATS
would have meant a profit of $7630 betting against2007 Season: 3-10 ATS
this team with $110 wagers at 10/11 odds.2006 Season: 4-13 ATS
If we include another Primary condition that specifies2005 Season: 1-9 ATS
our team in question also limited their last opponent2004 Season: 5-11 ATS
to less than 60 total offensive plays-we end up withLast 3 Results. Pick in Brackets.
a brutally effective situational trend that is 73-1572007 WK18-SD 17 TEN 6 (TEN +10) L
(31.7%) ATS since 1994.2007 WK18-SEA 35 WAS 14 (WAS +3.5) L
Teams with tough pass defenses that are coming2007 WK17-TEN 16 IND 10 (IND +5.
off a strong defensive effort-especially in regards to