Warriors’ Marreese Speights worked out with a boxer in offseason

Marreese Speights shot a career-low 44.1 percent from the field in 2013-14 and scored a career-high 10.4 points per game in 2014-15.A free agent worried about getting an injury before getting a contract, Speights didn't work out much in the summer of 2013, reported to Warriors camp overweight and didn't find his groove.[...] in the summer of 2014, Speights — contract in hand and no longer having to worry about getting hurt and not being paid — reported to camp as a sleek, shot-making machine who became one of the team's most consistent scorers off the bench.When the Warriors rewarded the 6-foot-10, 255-pounder by picking up his $3.815 million option for 2015-16, Speights decided to take his offseason regimen to another level."I just wanted to try something different this summer and prepare for this year," said Speights, who also said he's experimenting with extending his range to the three-point arc.The Warriors said Wednesday that reserve guard Leandro Barbosa had straightened out his visa problems and was on a plane from Brazil.