Emmitt Smith

Three Dallas Cowboys legends are back on the same sideline ... rooting on their daughters who all play in the same elite youth soccer league ... TMZ Sports has learned. Emmitt Smith, Tony Dorsett and Charles Haley -- together they have 9 Super Bowls, 17 Pro Bowls and 2 Hall of Fame busts -- and…

Emmitt Smith has Magic Johnson's back in a big way -- in fact, he's firing back at Donald Sterling with cold hard NUMBERS ... one million of 'em to be exact. After Sterling stupidly claimed that Magic hasn't done squat to help the black community, Smith went online and hit Sterling right between…