Gregg Popovich coach 95 Tony Parker, Manu Ginobili, Kawhi Leonard all became stars under his development. Also Dejounte Murray, Keldon Johnson. Erik Spoelstra coach 82 Bam Adebayo, Tyler Herro, Duncan Robinson (UDFA to starter), Caleb Martin. Strong development pipeline. Kenny Atkinson coach 80 Spencer Dinwiddie, Caris LeVert, Joe Harris all had significant breakouts under Atkinson 4 Tom Thibodeau coach 78 Jimmy Butler went from late first-rounder to All-NBA under Thibs; signature development 4 Don Nelson coach 78 Helped develop Dirk Nowitzki early, Baron Davis breakout, Monta Ellis emergence. Good at identifying unconventional talent. 6 Larry Brown coach 75 Billups breakout, Iverson MVP season, Rip Hamilton finding his game. Consistent ability to unlock player potential. 7 Chuck Daly coach 72 Dennis Rodman became an All-Star under Daly. Joe Dumars developed into a Finals MVP. Good development track record. 8 Phil Jackson coach 70 Most of his stars were already established. Helped Toni Kukoc and Horace Grant reach higher levels. Not primarily a developer. 9 Steve Kerr coach 68 Jordan Poole had a breakout under Kerr. Kevon Looney became a reliable starter. Moderate development track record. 9 Quinn Snyder coach 68 Donovan Mitchell breakout from #13 pick to All-Star; Joe Ingles, Royce ONeale elevated 9 Red Holzman coach 68 Developed strong role players; Knicks success was team-wide rather than individual breakouts 12 Jerry Sloan coach 65 Deron Williams became an All-Star. Paul Millsap developed. Less prolific development than other coaches but consistent. 13 Jack Ramsay coach 62 Walton peak under Ramsay; several role players exceeded expectations 14 Pat Riley coach 60 Coached established stars primarily. Less known for player development than for winning with talent. 15 Brett Brown coach 55 Covington and Dario Saric improved significantly; Embiid/Simmons were expected to be stars 16 Doc Rivers coach 50 Few breakout players under Rivers. Rajon Rondo developed but credit shared with KG/Pierce mentorship. 17 Terry Stotts coach 48 McCollum growth was the highlight; Al-Farouq Aminu, Harkless were solid but not breakouts 17 Stan Van Gundy coach 48 Few true breakout players; mostly maximized existing talent rather than developing unknowns 17 Monty Williams coach 48 Mikal Bridges improved but was already well-regarded; no dramatic transformations 20 Ime Udoka coach 45 No dramatic individual breakouts; more of a team-wide elevation 21 Darvin Ham coach 42 Austin Reaves growth from undrafted to solid starter was notable 22 Tom Izzo coach 35 Draymond Green went from overlooked to 2nd round steal; but that was pre-NBA 23 Sergio Scariolo coach 30 No NBA breakout players; internationally developed several Euro stars 23 Rick Pitino coach 30 No significant breakout NBA players under his coaching 25 Mike Montgomery coach 25 No notable NBA breakout players; Jason Richardson was already developing