sentences:  Like his first MLB at-bat, he began with a home run in his first at-bat of the season on March 31, off Nationals pitcher Liván Hernández.He became just the second player, after Kazuo Matsui, to homer in his first major league at-bat on opening day, and do the same the following year.Since being drafted in 2007, it was also the third time Heyward homered in his first game of the season.