Blue 84 Michigan State Spartans Youth 2015 Football Big 10 Conference Champ T-Shirt Made and Designed by Blue 84. Multiple Sizes Available. Screen Printed on the front is a Michigan State Spartans football logo with "2015 Big 10 Conference Champions". Officially Licensed Collegiate Product. Top Quality Cotton Youth Short Sleeve T-Shirt. The same design as the locker room t-shirt worn by the players after they became the conference champions!