Shirt type
On scholarship?
Can play?
Can practice?
Meaning
Redshirt
Yes
No
Yes
Athlete sits from competition for a year, then gets another year to complete four seasons.
Grayshirt
No
No
No
Athlete waits an extra semester to become a full-time student and part of the team.
Blueshirt
Yes
No
Yes
Athlete is not formally recruited, but is put on scholarship at start of freshman practice.
Greenshirt
Yes
Yes
Yes
Athlete enrolls in school a semester early.
what's the reasoning for the possible grey shirt ?