49ers lose star LB Dre Greenlaw to bizarre Achilles injury

One of the top defensive players for the San Francisco 49ers was injured in the second quarter of Super Bowl 58.

Dre Greenlaw was running onto the field, getting ready to play, when his leg gave out and he tumbled to the turf.

Greenlaw went to the blue tent and soon was carted off. The 49ers said he suffered an Achilles injury.

Story originally appeared on Touchdown Wire