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.

I n only the second most embarrassing thing to happen to Paul Pierce concerning the Boston Celtics, Pierce had to back up his big talk after Boston blew another 20-point lead in t

Pierce was so dedicated to showing that he was a man of his word that his former Celtics teammate and fellow Basketball Hall of Famer Kevin Garnett appeared to come and check on him while driving by. After Garnett saw Pierce was OK, he just egged him on to keep going while Pierce chuckled: