Former Boston Celtics great Paul Pierce learned a valuable lesson Wednesday: If you make an outlandish prediction on live television, you better be ready to follow through. Pierce paid for that decision Thursday, as he walked 20 miles to the FS1 studio after his Celtics prediction backfired in horrific fashion.

Former Celtics great Paul Pierce was so confident in his team in Game 2 against the Knicks, he said he would walk to work barefoot “in my robe” if they lost for a second straight game in the second-round series.

At least Paul Pierce is self-aware. The Boston Celtics legend was so confident that his former team would win Game 2 of their Eastern Conference semifinal series against the New York Knicks that he said he would make the 20-mile walk to work if they lost again to fall into an 0-2 hole in the Read