2006 Nevada Union graduate Andrew Jackson has joined the Buffalo Bills practice squad. The Bills signed the former Nevada Union and Fresno State offensive linemen Tuesday along with defensive back Mana Silva. Jackson, a 6-foot, 5-inch, 300-pound lineman spent 2011 on the Atlanta Falcons practice squad. — The Union Staff National NBA sets flopping penalties; players may be fined NEW YORK — The NBA will penalize flopping this season, fining players for repeated violations of an act a league vice president says has “no place in our game.” Players will get a warning the first time, then be fined $5,000 …