Milwaukee basketball arena

In a highly anticipated announcement Tuesday, Gov. Walker proposed using a jock tax to help build a new arena for the Milwaukee Bucks.

Mike McGinnis/Getty Images

A Milwaukee-based community organization is speaking out against the use of a so-called "jock tax" that could, potentially, foot part of the bill for a new downtown basketball arena.

White and green Milwaukee Bucks flags fly on bridges across the Milwaukee River, to remind fans of the new NBA season and perhaps the arena the team says it needs.