During the second-leg match of the round of 16 between Botafogo and Cienciano at the Estadio Olímpico Nilton Santos, a tense incident occurred just before halftime in the 45th minute. Cienciano goalkeeper Warleson suffered a cut jaw following a knee collision with Alejandro Hohberg. The injury forced a mandatory goalkeeper substitution during stoppage time.
The unexpected collision disrupted the match just as the first half was concluding, shifting focus away from the scoreline to the medical emergency and the forced substitution for Cienciano.
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