No, I'd think he still has significant trade value. It's just spring and teams hurting for outfielders see a young fast player who ended last season with an acceptable totaled batting stat (although extremely streaky) who's cheap. They might have to parlay some cash or prospects, but I'd think he's still a good chip at this moment in time.
If they hold on and he does this a few weeks into the season... then you've got a problem.