After Their Star Pitcher Moved to Another Town, the Eight

Short Answer

After their star pitcher moved to another town, the eight remaining members of the company baseball team needed to select a new pitcher. They used approval voting on the four prospects, and the results are listed below. An "X" indicates an approval vote. $\begin{array}{lllll}\text { Alan } & X & X & &&&X \\\text { Bob } & X & & X & X&X&&&X \\\text { Chuck } & & X & & X &&&X&X\\\text { David } & & X & X &&&&X&X\\\end{array}$ Which pitcher is chosen if just one is to be selected?