With no explanation, label text_A→text_B with either "DON'T KNOW", "NO" or "YES".
text_A: Scorsese was initially reluctant to develop the project, though he eventually came to relate to LaMotta's story. Schrader re-wrote Martin's first screenplay, and Scorsese and De Niro together made uncredited contributions thereafter. Pesci was an unknown actor prior to the film, as was Moriarty, who was suggested for her role by Pesci. During principal photography, each of the boxing scenes was choreographed for a specific visual style and De Niro gained approximately to portray LaMotta in his later post-boxing years. Scorsese was exacting in the process of editing and mixing the film, expecting it to be his last major feature.
text_B: If Moriarty herself had given a powerhouse performance in this film, does the passage make it reasonable to assume that she could receive "and introducing Cathy Moriarty as Vickie La Motta" in early trailers or posters?
YES.