Top Rank boss Bob Arum was absent from yesterday’s press conference, tending to his son John, who went missing while on a hiking trip in the Cascade Mountains in Washington State on Saturday.

Arum left for Seattle on Tuesday, his stepdaughter Dena Duboef said yesterday. John Arum, an experienced climber, was attempting to scale the 100 highest peaks in Washington. He had 18 left, according to Duboef.  

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