T for Twin, C for Cities. For the twin cities of Minneapolis and St Paul.
Twin Cities
The Minnesota Twins are named after the twin cities of Minneapolis and St. Paul. And so the TC stands for Twin Cities.
It stands for St. Paul Gophers, honoring the Negro League baseball, 1906.
It stands for The St. Paul Colored Gophers. It was a team in the early 1900s that helped pave the way for desegregation in baseball. The Minnesota Twins have honored them 3 times by wearing replicas during games. More than one team wears uniforms in tribute to the negro leagues.. the Indians wearing 1946 Cleveland Buckeyes throwback uniforms, and the Twins dressing like the 1909 St. Paul Gophers.
The TC on the Twins helmet stands for Twin Cities. The original Twins uniforms also had 2 players signifying Minneapolis and Saint Paul) on the shoulder shaking hand across a river.
The G stands for Gophers. From 1907-1910 Minnesota had a team in the Negro Leagues named the St. Paul Colored Gophers.
The "C T" on the twins' helmet stands for "Club de Tsukuba," which is a racing team based in Japan that competes in motorsports events.
In a statistics line, the letter H stands for Hits.
Minnesota
It stands for unavailable. But this can vary between what website you are using to play fantasy baseball. For Example: Yahoo Fantasy Baseball does not have a code for the letter "u".
One thing that MN means, is Minnesota (USA).
People who have had twins stand a better chance "statisticaly" of having twin again then those that did not have twins.