Collins won’t speculate on potential Wheeler callup

Zack Wheeler breezed through another strong outing Saturday night at Triple-A Las Vegas, striking out six over six innings of one-run ball. His ERA is down to 3.76, he has whiffed more than a batter per inning and he is almost certainly now weeks away from his big league debut. None of it has registered on Terry Collins’ radar.

After Strasburg scare, Nationals top Braves

On Friday, in what might be a good omen for June, the Nats got some relatively good news on Stephen Strasburg, who exited after two innings with what turned out to be a strained right oblique, not an elbow-related ailment. Then came more good news when the Nats held on to beat the Braves, 3-2.