Simplify the following text for a Grade 10 native English-speaking person.
Original: When Manning entered the NFL Draft ( which is where professional American football teams choose new players for their teams ) , he was first chosen by the San Diego Chargers .
Simplified: The San Diego Chargers originally held the rights to the overall first pick in the 2004 NFL Draft . With Manning being the most highly coveted player in the draft , it appeared that the Chargers ' intentions were to draft Manning first overall .