The ornamental design for a massager with pump, as shown and described.
FIG. 1 is a front perspective view of a massager with pump showing the claimed design;
FIG. 2 is a rear perspective view of the massager with pump of FIG. 1;
FIG. 3 is a front elevational view of the massager with pump of FIG. 1;
FIG. 4 is a rear elevational view of the massager with pump of FIG. 1;
FIG. 5 is a left side elevational view of the massager with pump of FIG. 1;
FIG. 6 is a right side elevational view of the massager with pump of FIG. 1;
FIG. 7 is a top plan view of the massager with pump of FIG. 1; and,
FIG. 8 is a bottom plan view of the massager with pump of FIG. 1.
The dot-dash lines represent boundaries of the claimed design and form no part the claimed design. The dash-dash lines depict environmental subject matter that forms no part of the claimed design.