BOSTON -- Following the Boston Celtics disappointing loss to the Utah Jazz,  Brad Stevens was asked about the Celtics being 5-33 from deep and hanging heads after missed shots. Stevens reply, “We have to build a tougher team mindset than we have.  I mean, we just don’t have that mindset yet that we need.”   Are the Celtics lacking toughness? Chris Grenham, Josue Pavon and Clevis Murray of The Athletic weigh in on Coach Stevens’ challenging the Celts’ toughness.   For Celtics Videos SUBSCRIBE to our CLNS Media YOUTUBE Channel. Get the inside scoop on the Celtics every week on CLNS Media’s Celtics Beat Podcast with host Adam Kaufman. Listen and subscribe here . Go Inside TD Garden on Game Night by subscribing to The Garden Report on iTunes here. For all your Celtics content needs throughout the 2018-2019 season follow us on Twitter @CelticsCLNS   Our Presenting Sponsor: This segment is powered by our friends at The Athletic. Check out some of your favorite writers like Jay King, Clevis Murray and Jared Weiss, all for just $2.99! That’s 40% off!  Go to https://theathletic.com/thegarden  to redeem your offer today!   Also support our long-term sponsors at One in 100- Score a Pair of Celtics, Patriots Bruins or Red Sox Tickets for LESS than a Pizza or Beer! Go to http://bit.ly/2OKvuIA for more information.