Video: Marcus Smart has Al Horford's back

After Al Horford literally got pushed in the back on a despicable dirty play by JR Smith, Marcus Smart stepped in to confront the "bully." Hear from Marcus below.

Raise your hand if you agree with @smart_MS3 pic.twitter.com/CpiW3BhVy9

— Celtics on NBC Sports Boston (@NBCSCeltics) May 16, 2018