Whereas sportsmanship entails an attitude that transcends winning and losing and instead places an emphasis on mutual respect and appreciation. He was a key figure in labor negotiations and league expansion. Thomas died in single vehicle accident on Saturday morningCeltics guard scores game-high 33-point day after his sister’s deathIsaiah Thomas played in shoes bearing his sister’s name on Sunday night. &E Networks, and some aspects of that deal (particularly streaming of games that aren’t on cable) seem unsettled just a couple of days before league action kicks off Saturday.