The ornamental design for a reversiblebaseballtrainingplate, as shown and described.
FIG. 1 is a front view of a reversible baseball training plate;
FIG. 2 is a top edge view thereof,
FIG. 3 is a lower edge view thereof;
FIG. 4 is a left edge view thereof;
FIG. 5 is a right edge view thereof;
FIG. 6 is a back view thereof;
FIG. 7 is a front isometric view thereof; and,
FIG. 8 is a back isometric view showing the design in association with dash dot lines representing the environment and use thereof.
The text and arrows shown in dashed lines in FIGS. 1, 6, 7 & 8 represent hitter instructions that form no part of the claimed design. The hitter, tee and ball shown in dash dot lines in FIG. 8 likewise form no part of the claimed design.