How sure is Markelle Fultz that he’ll be drafted with the first overall pick? Really sure. Like, really, really sure. Really, really, ridiculously sure. So sure, he will only be working out with the Boston Celtics, owners of that No. 1 pick, according to Philly.com’s Keith Pompey: [tweet https://twitter.com/PompeyOnSixers/status/871732492990124032?ref_src=twsrc%5Etfw&ref_url=http%3A%2F%2Fwww.masslive.com%2Fceltics%2Findex.ssf%2F2017%2F06%2Fmarkelle_fultz_nba_draft_rumor.html] This isn’t exactly ground-breaking stuff. A [...]