Roger Goodell’s days as the NFL’s judge, jury and executioner might be numbered. NFL Players Association executive director DeMaurice Smith told The Wall Street Journal on Monday that the league and union are working on a potential deal that would strip the NFL commissioner of his power to decide off-the-field discipline. “We’ve been talking about changes to the personal conduct policy since October and have traded proposals,” Smith told the Journal. “We looked at the league’s proposal for neutral arbitration. There is a common ground for us to get something done.” The NFL, which recently has lost cases against Ray Rice, Adrian ...