Section 7: Violations & Penalties
Why People Get This Wrong
People often assume that if a player accidentally bumps into an opponent while trying to kick the ball, it wouldn't be penalized as a free kick. But actually, the rule covers any reckless or excessive force used against opponents, whether intended or accidental. So even a friendly bump could still result in a free kick if deemed careless or with undue aggression.
Official Verdict
Free Kick Offences (Law 12, Section 1). A free kick is awarded if a player commits any of the following against an opponent carelessly, recklessly, or with excessive force: charging, jumping at, kicking or attempting to kick, pushing, striking or ...