In the 1999 Seattle Mariners (an American professional baseball team based in Seattle, Washington) draft picks chart, "Round (Pick)" indicates the secondary/collegiate position at which the player was drafted, rather than the professional position the player may have gone on to play, names in bold indicate the player signed with the Mariners and names in italics means the player did not sign with the Mariners.
Round (Pick) Indicates the round and pick the player was drafted 
Position Indicates the secondary/collegiate position at which the player was drafted, rather than the professional position the player may have gone on to play 
