NEW YORK — For Spencer Dinwiddie, signing with the Los Angeles Lakers offered a homecoming — and a challenge. The guard, a Los Angeles native, joins the Lakers for the NBA stretch run after the Nets traded him last week to the Toronto Raptors, who then waived him. “You’re seeing a team that, when everything’s on the line, they can rise to a level that no other team can get to,” Dinwiddie told reporters of the Lakers. “They won the in-season tournament, have played big-time basketball the past several years. Obviously, sometimes it’s hard to maintain that throughout a whole season, but at the e…
