George Springer, Astros

While it was still a good 2018 season for Springer, it wasn't quite up to par when compared with his previous body of work. The 29-year-old posted a career-low .780 OPS (still well above-average), one year after his career-high of .889. Last year, he hit .265 with 22 home runs, 26 doubles, and 102 runs (third straight year with over 100). It has been a bout a 60/40 split between his time in center field and right respectively, and a full-time switch to right could be in the near future.