SAN FRANCISCO — Randy Rodríguez didn’t need to tweak his slider. The pitch was performing well; Rodríguez was, too. But as April gave way to May, Rodríguez didn’t like the state of the pitch. There ...
Lakeland, Fla. — There was a time in baseball, not too long ago, when clubs discouraged pitchers from adding pitches and extending their repertoire. Master three or four pitches and stay with them, ...