Also, how long does their exclusive contract last?
The deal was made in 2003, replacing Russell Athletic as the exclusive supplier of on-field apparel. Not 100% sure which season the deal went into effect, but I think it was the following year. Article: http://www.allbusiness.com/retail-trade/miscellaneous-retail-miscellaneous/4455224-1.html
I think my Jeter Jersey is a Majestic.