Possible Clues:

• One of the Loman boys
• ''Back to the Future'' bully
• "Back to the Future" role
• Lie back following blow
• Lie back, following strike
• [Note: Matt J. took his two kids to the zoo, where they came up with this theme (no, he doesn't work at the zoo, just thought it'd be fun). Clues with an [E] were written by 67-Across, and clues with an [S] were written by 49-Across.] Sound of a punch [E]
• Following story about strike
• ''Back to the Future'' buily
• Lie back with fine punch
• Sound of a punch [E] {I created this puzzle for Take Your Kids To Work Day in collaboration with my then-nine-year-old twins. Clues followed by an [S] were written by Sid, and clues followed by an [E] were written by Ella.}