Daniel Nava
... that Daniel Nava of the Boston Red Sox is the fourth player in Major League Baseball history to hit a grand slam in his first at-bat and the second to do so on the first pitch?
... that <b id="mwC74"><a href="./Daniel_Nava" id="mwC78" rel="mw:WikiLink" title="Daniel Nava">Daniel Nava</a></b> of the <a href="./Boston_Red_Sox" id="mwC8A" rel="mw:WikiLink" title="Boston Red Sox">Boston Red Sox</a> is the fourth player in <a href="./Major_League_Baseball" id="mwC8E" rel="mw:WikiLink" title="Major League Baseball">Major League Baseball</a> history to hit a <a href="./Grand_slam_(baseball)" id="mwC8I" rel="mw:WikiLink" title="Grand slam (baseball)">grand slam</a> in his first <a class="mw-redirect" href="./At-bat" id="mwC8M" rel="mw:WikiLink" title="At-bat">at-bat</a> and the second to do so on the first pitch?