No he really cannot. That's been the single point of issue since his arrival in LA. He refuses to track back, when he plays on the wing he refuses to actually play there. Similiarly to Seba, the only workable option is play him beside and active strike partner who does a lot of the dirty work he doesn't want to do.
"There are some people who might have better technique than me, and some may be fitter than me, but the main thing is tactics. With most players, tactics are missing. You can divide tactics into insight, trust, and daring." - Johan Cruyff