Challenges await NBA's first-year head coaches

***** ***** "There's a risk involved in a decision like this," Levien said of the Grizzlies' move from Hollins to Joerger. "But we believe it's a

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"There's a risk involved in a decision like this," Levien said of the Grizzlies' move from Hollins to Joerger. "But we believe it's a calculated risk on our part. I believe our team has a lower floor than it had if we hadn't changed leadership, and also a higher ceiling."