With the unofficial second half of the season underway and the stretch run around the corner, our Hitter Power Rankings have seen quite a shakeup since our last edition. While the slugger at the top retains his perch,

Their lead in the NL Central grew to 6 ½ games on June 17. They haven't even been playing poorly lately -- they are still on pace to win 97 games -- but the lead has dwindled. In fact, the Cubs and Brewers are tied for first place.

Despite losing All-Star shortstop Jeremy Peña to a rib injury this week, and missing slugger Yordan Alvarez for almost all of the first half, the Astros continued their stunning roll toward the break, dealing the Los Angeles Dodgers their worst loss ever at Chavez Ravine as if it were the late 2010s all over again.