NBA to experiment with challenge flag, report says Unknown 00:05 The NBA will experiment with the use of a challenge flag during Summer League games this year. Share this Share on FacebookTweet on TwitterPlus on Google+ Related Posts'The Dan Le Batard Show with Stugotz' ruthlessly mocks Colin Cowherd for awful run of NFL picksRivalry for Packers-49ers dates back 25 yearsA look back at other infamous cheating scandals in sportsManchester United cancel midseason Middle East training camp due to safety fearsLee scores 18 to carry Southern U. past Jackson St. 56-50Fury predicts early KO of Wilder in heavyweight rematch
