Major League Lacrosse Announces Adrenaline Lacrosse, Tomahawk Shades And '47 Brand, As Sponsors April 9, 2015 - Major League Lacrosse (MLL) BOSTON(April 9, 2015) -Major League Lacrosse, the premier professional outdoor lacrosse league,announced today, a partnership with apparel sponsors: Adrenaline Lacrosse andTomahawk Shades for the upcoming 2015 season. Additionally, MLL welcomes '47Brand as a partner and licensee.