This bout has not taken place. Round-by-round analysis appears once verified round-level observations are published.
Sterling accepted a three-round fight with one of featherweight’s most productive punchers, but Vallejos’ limited grappling sample leaves the central betting question unresolved.

Sterling passed on Aaron Pico and drew Kevin Vallejos instead, trading one wrestling narrative for a three-round matchup shaped by control, defensive wrestling and concentrated knockout production.