Variations between wood, metal and composites can shift the spot dramatically.
Below is a very easy view chart to keep. A first baseman's glove designed to grab line drives and fast ground balls, and especially throws which could wind up in the dirt are usually headed for first. http://Archmageriseswiki.com/index.php/10_Affordable_Baseball_Gloves_That_Don_t_Skimp_On_Quality