Staying healthy will be a big key for the Los Angeles Lakers to have a successful season and reach their full potential. It is something they have had trouble doing over the last few years.

Los Angeles Lakers starting shooting guard Austin Reaves' health was the only bleak element of an otherwise-dominant first half for L.A. against the Toronto Raptors on Friday night. The 6-foot-5 swingman appeared to collide knees with Toronto second-year guard Gradey Dick — as Dave McMenamin of ESPN observes,

Here are three ways the Lakers are dramatically different this year -- and one way they are troublingly the same.