Photo by Donald Miralle/Getty ImagesThe Tampa Bay Rays made one of the more surprising moves of the draft on the first day of selections: they picked first baseman Xavier Isaac with the 29th overall pick of the draft.
Why is a high school first baseman an unlikely first round choice? Very often in youth or high school baseball the best athletes are put on the mound or at shortstop; they may get moved to a different position later on. Someone who has been relegated to first base in high school is probably not likely to be a versatile or particularly elite fielder. The Rays tend to shy away from offense-first players during the draft, aiming more toward pitchers or athletic, toolsy infielders.…