NFL Draft Data Analysis: 30 years of Player Outcomes

Posted on Feb 6, 2017
The skills the author demoed here can be learned through taking Data Science with Machine Learning bootcamp with NYC Data Science Academy.

Introduction

The best predictor of the future is the past. Thus the first step to building a tool that attempts to predict the success of college prospects entering the NFL Draft is the history of previous NFL Drafts and evaluating their outcomes. Football is one of the hardest sports to assess talent for because you essentially have a minimum of 24 unique positions (11 on offense, 11 on defense, 1 Kicker, 1 Punter). Even if you group similar positions (i.e., LT and RT, LG and RG, DE and DT, OLB and ILB, CB and Safety. Kicker and Punter), you are still left with 9 positions that are evaluated by completely different criteria. Therefore each group's data and stats needs to be evaluated separately.

What defines a successful NFL career for an individual regardless of position? The answer most would probably give you is the longevity of their career and the quality of their play during that time. In my analysis I defined the # of years in the NFL as the measure of longevity and the # of Pro Bowls as the measure of quality of a career. Over the 30 year time frame that was analyzed many things changed from the # of rounds in the draft to the desired skills/measurables for a position, but longevity and pro bowls have consistently been reliable metrics.

The goal of this project was to take an inventory of player outcomes to be used for a larger project (building a tool that can predict NFL success based on insights gained from analyzing 30 years of history), while gleaning some immediate insights about the performance of all 32 NFL teams and taking a look at which colleges have produced the most NFL players.

Use the tool @Β http://www.iab.nyc

Data

NFL Team Draft Success Findings (Top 3 Teams by Avg. Years in League '85-'07 Drafts)

  1. Green Bay Packers
  2. Pittsburgh Steelers
  3. Miami Dolphins

NFL Draft Data Analysis: 30 years of Player Outcomes

NFL League Wide, Positions with the most Pro Bowlers in each round:

1st: DB; 2nd: DB; 3rd: LB; 4th: WR; 5th: LB; 6th: QB; 7th: TE

NFL Draft Data Analysis: 30 years of Player Outcomes

NFL League Wide, Age with longest careers for each position:

C: 21, DB:20, DE:20, DT:21, FB:22, G:24, K:21, LB:20, P:21, QB:21, RB:21, T:20, TE:21, WR:21

Age Position

NFL Success by School Highlights '85-'15:

  • The University of Miami has the most Pro Bowlers over this time period with 112 (almost 2x as the school with the 2nd most)
  • Florida State has produced the most NFL talent, with 142 players drafted
  • Oregon has had the most QBs drafted (9)
  • Miami has had the most RBs drafted (15)
  • Florida State had the most WRs drafted (21)
  • Notre Dame had the TEs drafted (13)
  • USC has had the most Tackles drafted (12)
  • Florida State had the most DLs drafted (30)
  • Penn State had the most LBs drafted (22)
  • Nebraska has had the most DBs drafted (29)
  • Michigan St. has had the most STs drafted (6)

NFL Draft Data Analysis: 30 years of Player Outcomes

 

*Notes/Assumptions: Only the first 7 rounds the NFL Draft were included (this means years with greater than 7 rounds did not have their additional rounds included). Players who were drafted, but never played a down in the NFL were excluded. The time frame that is included in this analysis is 1985-2015. Conclusions about average career length only include through 2007, since going further out would result in an underestimate since players drafted after would have only been able to play a maximum of 7 years.

 

 

About Author

Marc Fridson

In addition to my current participation in the Data Science Academy, I am a Course Designer/Facilitator for Columbia University's Applied Analytics Program and the CEO/Founder of Instant Analytics an analytical technology start-up. Prior to this I was the...
View all posts by Marc Fridson >

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