The Warriors on Monday exercised their $3.8 million option to keep reserve forward/center Marreese Speights for the 2015-16 season - one of the team's final paperwork moves before the NBA's free-agency period commences at 9 p.m. Tuesday.[...] butting up against the projected salary-cap apron of $85 million, the Warriors aren't expected to be major players for a free-agent class that includes All-Stars LeBron James, Marc Gasol, LaMarcus Aldridge, Kevin Love, Jimmy Butler, Dwyane Wade and Paul Millsap.[...] the Warriors' top priorities are re-upping with restricted free-agent power forward Draymond Green and maintaining continuity on a team that improved three straight seasons en route to the 2015 championship.Extending qualifying offers would make the players restricted free agents - meaning the Warriors could match any opponent's offer sheet - or the players could accept the one-year tenders.Since Green is expected to get a raise of more than 10 times his current salary, the Warriors will continue to listen to offers for backup power forward David Lee and the nearly $15.5 million he's owed next season.The most consistent reserve scorer from 2014-15, appeared in 76 regular-season...