Complex sentence: The New Orleans Saints drafted Garret Grayson in the 3rd around with the 75th overall pick in the 2015 NFL draft making him the 3rd QB drafted after Jameis Winston and Marcus Mariota.
Split into simpler sentences: The New Orleans Saints drafted Grayson in the 3rd around, 75th overall, in the 2015 NFL draft. He was the 3rd QB drafted after Jameis Winston and Marcus Mariota.