Landon Dickerson becomes highest-paid NFL offensive guard with Eagles.
DeVonta Smith, former Alabama teammate, excels as Eagles' star receiver.
Smith nicknamed "Skinny Batman" for his impressive stats.
Eagles GM views Smith as indispensable, aims for $25 million/year extension.
Smith's potential salary would rival top NFL receivers like Hill, Adams, and Kupp.
Smith and teammate A.J. Brown form formidable wide receiver duo for Eagles.