Chiefs rookie Xavier Worthy launched himself into the first-round draft conversation when he ran a sizzling 40-yard dash at the NFL Combine. Now, the talk is about whether this wispy receiver can survive a pro pounding. Worthy weighs 169 pounds. He’ll be one of the lightest players in the NFL this season. But the former Texas Longhorn standout isn’t worried about his weight. He made that clear Saturday during a media availability after the Chiefs first day of rookie minicamp. “I don’t think I took big hits, I delivered them,” Worthy told reporters. “I feel like it’s not going to be a problem. …