The Ravens chose Heap with the 31st overall pick in the 2001 draft, and he had some outstanding years with the team. 7) Boston CelticsStrengths The Celtics have one of the best coaches in the league in Brad Stevens, t. He would frequently have lunch with members of the staff, players and even the media, stopping to say hello or chat up whomever he came across. Photograph: Soobum Im/USA Today SportsWeaknesses They’re not as loaded with talent as the Warriors.