With one more home run, Jeremy Peña could become the sixth Houston Astros rookie to reach 20 in a season. Jeremy Peña’s chances of winning the American League Rookie of the Year are slim to none. In the shadow of Carlos Correa, Peña regressed to the mean offensively but has provided superb defense according to his 15 defensive runs saved. But as his offensive play hasn’t been the most impressive in Houston Astros rookie history, he could become the sixth rookie in franchise history to reach 20 home runs. With 19 on the year, Peña has eight games to join…