The off-season training question for 13-14 year old football players usually comes from parents who are anxious about the competition, not from coaches who have assessed the kid. That distinction matters, because the right answer depends on where your kid actually is, not where the most intense player in their zip code is.
Here is what a reasonable off-season looks like.
Strength training: yes, at 13-14, weight training is appropriate with proper instruction. The key word is instruction. Kids at this age can build a real strength foundation with compound movements: squat, deadlift, bench, row, overhead press.
The goal is not maximum weight. It is movement quality and muscular balance. Two to three days per week is plenty.
A program designed by a qualified strength coach or a knowledgeable high school coach is worth the investment. YouTube-built programs with no supervision are not.
Speed and agility: sprinting, change-of-direction drills, first-step work. This is the training category with the clearest transfer to football performance.
It does not require expensive equipment or a private coach. A stopwatch, some cones, and a flat surface work fine. Two sessions per week in the off-season is realistic.
Skill work: position-specific reps. Routes and catching for receivers. Footwork and hand placement for linemen.
Mechanics and decision-making for quarterbacks. This is where 7v7 leagues and skill academies can add real value, as long as the kid is engaged and improving, not just accumulating hours.
What to skip: year-round, high-intensity football-only training with no break. The research on single-sport specialization before 15 is consistent: more specialization does not produce better athletes at 18-22. It produces more injuries and more burnout.
Playing another sport in the off-season is not a distraction from football development. For most kids, it is part of it.
Rest: four to six weeks of true rest per year, away from structured football activity, is what the American Academy of Pediatrics recommends. That rest does not slow development.
It allows the body to adapt to the training load from the previous season. The kid who comes into camp having rested is usually fresher and more trainable than the kid who trained through every break.
The practical question: is your kid asking to train more, or are you pushing it. If they are asking, support it with structure. If they are not, do not manufacture urgency that is not there