Rocky’s the only reason to check this out.

Bobbing and weaving between dull inertia, arching momentum constantly experimenting for the next high and a fantastic Dwanye Johnson lead performance, the most profound strengths of “The Smashing Machine” begin and end at Benny Safdie’s ambition to not walk the well-troddened path. But in its attempt to straddle a gritty character study, glossy Hollywood biopic and stiff docudrama, the end result feels over-reverential and, for lack of a better term, hollow.