San Francisco Giants starting pitcher Logan Webb (back) will receive two extra days of rest and will now be pushed back to Saturday against the Milwaukee Brewers after leaving his last start with back tightness. Manager Gabe Kapler said there was no cause for concern. Webb threw from 90 feet on Tuesday and didn't have any issues. "We just like to give a guy an extra day or two when we can," Kapler said. "We saw what it did for Alex Cobb (who has made two starts on six days of rest this ...