Mike Alexander stands with his football helmet collection, worth between $4,000 and $5,000 dollars, outside Pioneer High School.Ben Freed | AnnArbor.com Related: 7 changes Wolverine football fans can expect at Michigan Stadium this fall New Michigan football student general admission line draws sparse early crowd Read more football coverage at MLive.com/Wolverines. On a football Saturday in Ann Arbor, tailgaters gather from all over the state, the region, the country and the world.