Combatting Common Defensive Adjustments to the Flexbone Offense (Part 1)

Jun 27, 2021 | Offense, Flex Bone, Offensive Systems

By Matt Morrison
Head Coach
Francis Parker High School (CA)
Twitter: @CoachMMorrison



In the 2017-2018 offseason, we decided as a coaching staff that we needed to go in a different direction offensively. I had just finished my first season as the head coach at Francis Parker and to say that we struggled to move the ball would be putting it politely. We couldn’t drive the ball, we hardly made any explosive plays, and our team only scored over the 20 points twice in 10 games. While some of that could have been attributed to a young team, the reality was that we had done a poor job of putting our players in the best position for them to have success.

At Francis Parker, we are a small team, both literally and figuratively. As a small school (250 boys) that offers a full variety of sports, our program numbers are typically in the mid-30s for grades 9-12. Additionally, while our kids do a great job of training to build strength and speed, we will go into nearly every game on our schedule as the undersized team. In 2019, our roster had only 3 players who weighed in at over 200 pounds.

It was the combination of all those factors that led us to the flexbone offense. While there are numerous advantages to running the flexbone, the ones that have made the biggest difference for us are:

  • It allows us to play to the strengths of our offensive lineman (smarts, angles, quickness, leverage), while hiding weaknesses (size)
  • It allows us to attack the entire width of the field and the entire structure of the defense
  • It creates more balance within our offense, allowing us easier ways to get the ball to all of our different skill players
  • It allows us to control the tempo and pace of the game. In addition to being able to keep a talented offense off the field for extended periods of time, it also can shorten the number of total snaps in a game.  This has been critical at times for us competing against teams with bigger rosters, as all of our players play offense, defense, and multiple special teams.


In the spring of 2018, we did a deep dive and began studying several teams at both the high school and college levels who have had success running the offense. We then spent the remainder of the offseason working as a staff on the best way to build, package, and install the offense so that it would transform from just a series of plays into a system that our players could execute with speed and precision on a weekly basis. This is where I believe we have seen our biggest advantage of the offense.

The flexbone is unique.  While several teams will run certain plays that you may see from a traditional flexbone offense (Veer, Midline, Trap, Belly, etc.), there are only a few in our section who run the entire gamut of the offense. This has provided us two advantages that I believe have made us a very tough team to defend:

  1. The flexbone is exceedingly difficult to simulate in practice. While it might be possible to train your scout team to run one or two of the flexbone core plays efficiently over the course of a game week, it is highly unlikely to do so for the entire offense.  As you will see throughout the rest of the article, our core plays are Inside Veer, Rocket Toss, Midline Follow, and Midline Triple, but we also will run Belly, Trap, Trap Option, Counter, and Counter Iso, not to mention our quick pass and play-action game.  While we have been blessed to have skill players with good speed, I have no doubt that a large part of our success is our ability to get the defense to play slower because they have rarely played anyone like us offensively.
  2. It has simplified the adjustments that we make both during and between games. Because we have truly built an offensive system, both our players and coaches have a solid understanding of how our plays fit together, and in turn, how we will need to adjust vs a variety of different defensive schemes that we might see over the course of a season.  As I mentioned before, all of our players will play on both sides of the ball and in the kicking game.  This means that we do not have extended time during games to consult with our position groups during the game.  Even during halftime, our time is limited, as we must cover all 3 phases. Because of those circumstances, it is even more important that our communication is simple, organized, and efficient.  I am excited to share some of the go-to adjustments that we will use against common defensive tactics vs our flexbone offense.



One of the most common strategies that we will see from our opponents is for teams to spin their safeties once we motion one of our slots.  They are usually doing this for 1 of 2 reasons.  Either they are looking to be able to force the ball faster and set a harder edge on the perimeter, and/or they want to put their pitch player into a better position to play his option responsibility.  This is especially common for teams that base out of a two-high coverage structure.