ESPN Baseball Sudoku. Mastered sudoku but want to take it to the next level? ESPN Baseball Sudoku puts a new spin on the wildly addictive puzzle phenomenon. In Baseball Sudoku, 9 x 9 puzzle grids are solved using traditional sudoku techniques, but here the nine numbers are replaced by the starting positions on a baseball lineup: P, C, 1B, 2B, SS, 3B, LF, CF, RF. Paperback: 272 pages.