<p>The <a class="Link" href="https://chicago.suntimes.com/white-sox" >White Sox</a> signed Seranthony Dominguez to be their closer. But they don’t always use him that way.</p><p>In fact, until Sunday, he hadn’t pitched in the ninth inning since May 29, and he hadn’t recorded a save since May 25. That’s a span of seven outings.</p><p>What the Sox are doing more often is seeking the best matchups whenever they happen to come late in games.