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This offseason, I’m going to look at team histories in a different way than such data is usually presented. I’ll be looking at coach and quarterback records, along with rushing and receiving milestones. Let’s begin with coaches, and start with the Miami Dolphins.

Don Shula is one of the best coaches in history. He posted a 257-133-2 record in 392 regular season games, a 0.658 winning percentage. Now consider that over the course of its entire history, Miami has played 816 games, producing a 452-360-4 record, a 0.556 winning percentage.

In this series, I will look at how each coach has changed their franchise’s career winning percentages. Here’s what I mean, using Miami as an example. We know that the Dolphins have a 0.556 winning percentage. But in games not coached by Shula, Miami only has a 0.462 winning percentage. That’s a decline of 9.4%! Shula coached nearly half of all Miami games and has well over half of the franchise’s wins. If you perform this calculation for every coach for every team in NFL history — which I did — you will find that Shula has improved his franchise’s overall winning percentage by more than any other coach in history.

The table below shows this data for every coach in Miami history.  The  coach who has harmed the team’s winning percentage the most is George Wilson, the first coach of the team and Shula’s predecessor. He went 15-39-2 coaching the expansion franchise — hey, no judgment here — and without him, Miami would have a franchise winning percentage of 0.576, which is 2% higher than the team’s actual winning percentage.

For every post in this series, I will post the full results in a table like this, sorted by best to worst in terms of improving his franchise’s overall win percentage.

Ovr RkCoachGWLTHC Win %FrGFrWFLFrTFr W%Win% w/o HCDiff
1Don Shula39225713320.65881645236040.5560.4629.4%
139Dave Wannstedt73423100.57581645236040.5560.5550.2%
171Jimmy Johnson64362800.56381645236040.5560.5560.1%
176Todd Bowles32100.66781645236040.5560.5560%
239Jim Bates73400.42981645236040.5560.557-0.1%
281Dan Campbell125700.41781645236040.5560.558-0.2%
347Nick Saban32151700.46981645236040.5560.56-0.4%
376Adam Gase48232500.47981645236040.5560.561-0.5%
414Joe Philbin52242800.46281645236040.5560.563-0.6%
415Tony Sparano61293200.47581645236040.5560.563-0.7%
474Cam Cameron1611500.06381645236040.5560.566-1%
506George Wilson56153920.28681645236040.5560.576-2%

We can do the same thing for quarterbacks, and Miami is a good example of why I chose this methodology. How do you compare the winning percentages of Dan Marino to Bob Griese, and of those two to David Woodley, and Earl Morrall? Marino has the lowest winning percentage (with Miami) of that group, but started the most games. Morrall went 11-1, and Woodall went 27-12-1, but neither of them helped improve Miami’s overall franchise winning percentage as much as Marino or Griese. Overall, Miami won of course has won 55.6% of its games. Under Marino, it was 61.3%, but more importantly, without Marino, Miami has a winning percentage of only 0.533.

This means “games started by Marino” improved the franchise’s overall winning percentage in the regular season by 2.3%. For Griese, his starts improved the overall franchise’s success rate by 1.4%. Meanwhile, Ryan Tannehill — while certainly not the worst quarterback the team has ever had — comes in last by this methodology. In all games not started by Tannehill, the Dolphins have a 0.566 winning percentage, so he dropped the franchise’s all-time winning percentage by 1%.

The table below shows these results. The overall rank column shows how each quarterback ranks compared to all quarterbacks for all 32 NFL teams. So Miami’s winning percentage under Marino improved the franchise’s overall winning percentage by 2.3%, which ranks 22nd across all quarterback-team combinations.

Ovr RkQBGWLTQB Win %FrGFrWFLFrTFr W%Win% w/o QBDiff
22Dan Marino2401479300.61381645236040.5560.5332.3%
46Bob Griese151925630.61981645236040.5560.5421.4%
87David Woodley40271210.68881645236040.5560.5500.7%
99Earl Morrall1211100.91781645236040.5560.5510.5%
116Jay Fiedler59362300.61081645236040.5560.5520.4%
133Don Strock2014600.70081645236040.5560.5530.4%
187Damon Huard65100.83381645236040.5560.5540.2%
246Chad Pennington2012800.60081645236040.5560.5550.1%
248John Stofa22001.00081645236040.5560.5550.1%
281Gus Frerotte159600.60081645236040.5560.5560.1%
319George Mira11001.00081645236040.5560.5560.1%
393Brian Griese53200.60081645236040.5560.5560%
485Steve DeBerg42200.50081645236040.5560.5570%
669Tyler Thigpen10100.00081645236040.5560.557-0.1%
689Kyle Mackey31200.33381645236040.5560.557-0.1%
690Craig Erickson31200.33381645236040.5560.557-0.1%
718Brock Osweiler52300.40081645236040.5560.557-0.1%
769Scott Mitchell73400.42981645236040.5560.557-0.1%
821Bernie Kosar20200.00081645236040.5560.558-0.1%
822Sage Rosenfels20200.00081645236040.5560.558-0.1%
826Joey Harrington115600.45581645236040.5560.558-0.1%
846Daunte Culpepper41300.25081645236040.5560.558-0.2%
882Ray Lucas62400.33381645236040.5560.558-0.2%
905A.J. Feeley83500.37581645236040.5560.558-0.2%
908Matt Moore178900.47181645236040.5560.558-0.2%
961Jay Cutler146800.42981645236040.5560.559-0.2%
970George Wilson72500.28681645236040.5560.559-0.2%
1011Dick Wood40400.00081645236040.5560.559-0.3%
1012John Beck40400.00081645236040.5560.559-0.3%
1060Trent Green50500.00081645236040.5560.560-0.3%
1099Cleo Lemon81700.12581645236040.5560.561-0.4%
1134Chad Henne31131800.41981645236040.5560.562-0.5%
1152Rick Norton1111000.09181645236040.5560.563-0.6%
1196Ryan Tannehill88424600.47781645236040.5560.566-1%

What about rushing leaders? Miami has a long history of strong running backs, ranging from bruisers like Larry Csonka and Karim Abdul-Jabbar to speedsters like Lamar Miller and Mercury Morris, along with power/speed backs like Ronnie Brown and Ricky Williams.

But which running back has led Miami in rushing yards in the most games? I looked at all regular season and postseason games for the Dolphins and noted who finished each game with the most rushing yards. The table below shows all players who did so for at least 10 games. In addition, I’ve included the number of games played (again, regular and postseason combined) for each player while with the Dolphins. The final column shows the percentage of his games with Miami where that player led the Dolphins in rushing yards.  Lamar Smith, who led Miami in 26 of his 34 games with the team, is the leader at 76%.

RusherFirst YrLast YrLeading RusherTotal Games%
Larry Csonka196819796311853%
Ricky Williams20022010559459%
Ronnie Brown20052010547770%
Karim Abdul-Jabbar19961999405375%
Lamar Miller20122015356157%
Tony Nathan197919873513526%
Mark Higgs19901994346354%
Mercury Morris19691975299630%
Sammie Smith19891991284365%
Lamar Smith20002001263476%
Delvin Williams19781980254753%
Bernie Parmalee199219982511123%
Lorenzo Hampton19851989257235%
Jay Ajayi20152017243275%
Andra Franklin19811984244850%
Reggie Bush20112012233174%
Jim Kiick196819742310821%
Benny Malone19741978185831%
Troy Stradford19871990144829%
Kenyan Drake20162018134927%
Terry Kirby19931995133735%
Ron Davenport19851989136919%
Gary Davis19761979105917%
Sammy Morris20042006104124%
Daniel Thomas20112014105219%

What about receiving? Paul Warfield was a Hall of Famer, but he was only in South Beach for 71 games. During the Marino years, the team had Mark Clayton and Mark Duper, while Nat Moore hung around forever. So which player has led the Miami Dolphins in receiving yards in the most games in team history, regular and postseason combined? Clayton won out, by one game.

ReceiverFirst YrLast YrLeading ReceiverTotal Games%
Mark Clayton198319925515236%
Mark Duper198219925415635%
Nat Moore197419865219726%
Paul Warfield19701974427159%
O.J. McDuffie199320003812630%
Duriel Harris197619853511929%
Chris Chambers200120073410034%
Jarvis Landry20142017246537%
Oronde Gadsden19982003238128%
Brian Hartline20092014229224%
Brandon Marshall20102011203067%
Tony Martin19902000209421%
Randy McMichael20022006198024%
Davone Bess20082012177822%
Tony Nathan197919871713513%
Irving Fryar19931995165131%
Mike Wallace20132014133241%
Marty Booker20042007135922%
Karl Noonan19661971138815%
Howard Twilley196619761313110%
DeVante Parker20152018125522%
James McKnight20012003114723%
Kenny Stills20152018116417%
Jimmy Cefalo197819841110011%

On the other side, Brandon Marshall and Warfield are the only two players who led Miami in receiving yards in over half of their games.

That’s it for the Miami version of this series.  Please leave your thoughts in the comments.

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