Logan

Logan, a character in "The Freshman", is an upperclassman at Hartfeld and a member of the football team "Knights". He's got his first appearance in book 1, chapter 5.

Look
Logan has black hair, tan skin and eyes. Usually, he wears a black-grey sweater.

Darren and Chris
Darren and Chris are Logan's football buddies. They're coming along very well. In book 2, chapter 14, it's mentioned that Logan and Darren are also roommates, as Chris tells he'd spend the night at their place.

Madison
In book 2, Logan is crushing on Madison and fights with Tripp for her attention.