SAN FRANCISCO — Before clobbering the two longest home runs by a Giants player this season in a span of four days, before making a joke of Pacific Coast League pitching, Mac Williamson first had to decide a change was needed.
“I knew what I was doing wasn’t working,” Williamson said.
What he is doing now is striking fear in opposing pitchers.
Williamson homered for the third time in five games since being recalled from Triple-A Sacramento and the Giants beat the Washington Nationals 4-3 on Tuesday night for their third straight victory.
After batting .