Running back is among the easiest positions to fill because they rely so much upon offensive line. Clear holes and even punters could make yards carrying the ball.
That said - there's something about power and vision and acceleration that doesn't just happen. Glad this kid is taking advantage of his opportunities!
It's a truth - even in the workplace. If I left my Department, The Department would simply move another person into the spot and not even miss me.
“… the greatest detractor from high performance is fear: fear that you are not prepared, fear that you are in over your head, fear that you are not worthy, and ultimately, fear of failure. If you can eliminate that fear—not through arrogance or just wishing difficulties away, but through hard work and preparation—you will put yourself in an incredibly powerful position to take on the challenges you face" - Pete Carroll.