Panini America will welcome Dallas Mavericks fans back from the 2014 NBA All-Star break during tonight's game against LeBron James and the Miami Heat by giving away the first two cards of a special 10-card 2013-14 NBA Hoops Dallas Mavericks set. Tonight's cards -- Dirk Nowitzki and rookie Shane Larkin -- will be distributed in cello packs that also include a Larkin…