Police allegedly found Keffeler and a bloody Pappa in a Seattle apartment in December, according to Seattle TV station King 5. Pappa was bloody because of a stab wound to the abdomen, according to the report.
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The report says Pappa and Keffeler have different stories about what happened, and that Pappa had surgery for his wounds.
Pappa played for the Seattle Sounders until being traded to the Colorado Rapids on Dec. 15.
No arrests were made, and the case reportedly remains under investigation. The Rapids, Sounders and Pappa have made no comment.
