Your kid drops into the car after practice, kicks the shin guards onto the floor mat, and announces that they cannot stand the new kid on the team, the one who calls for the ball every possession and then loses it every possession.
You make a sympathetic noise, because the kid does sound like a lot. Then reality kicks in, because this teammate is not going anywhere, and your athlete has four more months of practices, bus rides, and shared water breaks with a person they have decided is the worst.
Here is the reflex most of us reach for, and it backfires: we either tell the kid they have to get along with everyone, which they correctly hear as fake, or we pile on in the car, which feels great for one ride and teaches them that the answer to a hard person is a better insult.
There is a third option, and it is one of the most useful things a season can hand a kid: learning to work with someone they did not pick and do not like, without pretending and without exploding. Adults do this every day, and your kid gets to start practicing at 11 with much lower stakes.
They Do Not Have to Be Friends to Be Teammates
The pressure we accidentally put on kids is that liking someone and cooperating with them are the same job, and the relief you can offer is that they are two separate things.
Nobody has to be friends to win a game together. A kid has to pass to the open person, listen in the huddle, and stay on the same page for two hours a week, and none of that requires warm feelings. Once a kid sees that they can find a teammate annoying and still play beautifully alongside them, the whole thing gets smaller, and what is left is a manageable question about how to share a field.
The Line That Takes the Pressure Off
Try telling your athlete something like, "You do not have to like everyone on your team, you just have to be a good teammate to them." Kids relax when they hear this, because it lets them keep their honest opinion and gives them a clear, doable standard at the same time. They stop white-knuckling the feeling and start focusing on the behavior, which is the only part they can control anyway.
Separate the Person From the Behavior
"I hate that kid" is a dead end, because there is nothing to do with it except feel it again tomorrow, so the first tool is trading the label for the specific thing.
Ask what the teammate actually does that drives them up the wall. Usually the giant "I hate them" shrinks into something smaller: they hog the ball, they narrate every mistake you make, they show up late and act like the rules are for other people. Now your kid is holding one or two concrete behaviors instead of a whole villain, and a behavior is something a person can respond to without a meltdown, and it teaches them that "I do not like how this person acts" is a fair, precise thing to feel, and a completely different animal from "this person is bad," the kind of blanket verdict that follows kids around and hardens.
Give Them the On-Field Script
Most of the friction with an unlikable teammate lives in the moments of play, so that is where the tool has to work.
If the problem is the ball hog, freezing them out in revenge only makes your kid look worse, so the better move is to get loud in the right way: "I'm open, middle." A kid who calls for the ball clearly and keeps playing hard usually gets it more, and earns the coach's trust while they are at it. When the teammate is more of a narrator, cataloguing every mistake you make, the script is a bored "yep, my bad, next play," said while already jogging back on defense. Nothing shuts down a critic faster than a teammate who refuses to make it a thing.
The whole point is to keep your kid's energy on the game instead of the grudge, because a kid stewing about a teammate is a kid playing worse, and the way out is a specific thing to say and do the next time the ball comes.
The Boundary That Is Not Rude
Sometimes the honest answer is that your kid needs a little distance from a teammate, and that is allowed, as long as the distance stays polite and never turns into a campaign.
A good boundary looks like being perfectly decent on the field and simply not seeking the person out off it. Your kid can pass to them, congratulate a good play, and follow the coach's plan, while also not sitting next to them on the bus or joining whatever they are stirring up in the group chat. That is not exclusion or drama, just a kid learning that you can be respectful to someone and still choose your own close circle. The version to steer them away from is the cold shoulder that spreads: the whispering, the recruiting of other kids against the one they dislike. Naming that freeze-out for what it is, the moment it starts forming, is one of the more important things you will do this season.
When to Step In, and When to Sit on Your Hands
Most teammate friction is ordinary, and your kid should get to work it out with your coaching from the passenger seat, because that is where the growth lives.
The signal that changes things is cruelty rather than annoyance: a teammate who targets your kid, excludes them on purpose, or crosses into anything physical or genuinely mean has stopped being a "learn to cooperate" situation and become a "the adults handle this" one. If your kid is dreading practice, shrinking, or dropping the sport they used to love because of how one person treats them, that is your cue to talk to the coach, calmly and specifically, about behavior rather than personality.
Short of that line, the most valuable thing you can do is stay curious and let them steer. Ask how the "I'm open, middle" experiment went, and what your kid tried in response. You are turning a hard person into a series of small, winnable problems, and teaching your kid that they can handle one.
The Skill Underneath the Whole Thing
The teammate your kid cannot stand this year is doing them a favor.
Every classroom, job, and group project for the next 40 years will contain at least one person like this, and the kid who learned at 11 how to be professional with someone they did not like walks in with a skill most adults are still working on. You cannot make your kid enjoy this teammate, and you do not need to. What you get to do is hand them the tools to share a field with grace, keep their own circle, and get better at the game while they are at it.