In the latest Locked on Sixers podcast, Keith Pompey and Marc Narducci talk about why Tobias Harris needed rest over representing the United States in the FIBA World Cup. Then the duo talks about the confidence free-agent signee Trey Burke exudes. And Pompey and Narducci conclude the podcast by pondering how much the Sixers' defense has improved with the addition of Josh Richardson.Learn more about your ad choices. Visit megaphone.fm/adchoices