Whicker: Shawn Porter plans to box like nobody’s watching

You call it a bubble. Shawn Porter calls it Friday.
“Simple, man,” Porter said the other day. “We’re all in a bubble anyway.”
A boxer doesn’t need to run from the madding crowd. No one is there when he beats the sunrise by an hour to run six miles in a bike lane somewhere. No one but the trainer and the conditioning guy are there when the bags are punched or the ropes are jumped.
And when Porter and the vast majority of his peers began this game as kids, no on