you gotta get to them another way. recruit some ladies at their school to infiltrate and occupy their minds with trivial nonsense, and demand attention all the time. if all that isn't enough to hurt his production through the year, then the night before you have to play them she needs to leave her phone unlocked for the rb to find. left open on dms to another dude. doesn't even have to be a real dude. could be you with a burner account. just make sure after she leaves the phone, she needs to make herself scarce.
she needs to text him at halftime. im so sorry i love you we need to talk. this will make sure it stays fresh in his mind for 30 more minutes of football. his plate will be so full with balancing her, and school, and full time football commitment that he won't even know what hit him.