2019-20シーズンのボストン・セルティックスは、セルティックスの全米バスケットボール協会(NBA)においてフランチャイズ74年目のシーズン。2019年7月6日、元シャーロット・ホーネッツのオールスター選手、ケンバ・ウォーカーを獲得した。また、FAからポートランド・トレイルブレイザーズのセンターのエネス・カンターも獲得した。
3月11日にユタ・ジャズのルディ・ゴベールらが新型コロナウイルスの陽性反応を示したため、リーグ関係者によって感染防止を理由にシーズンは中断となり、3月19日にはマーカス・スマートがCOVID-19の陽性であったと発表された。6月4日、セルティックスはシーズン再開となるNBAバブルの出場権を獲得した。
ドラフト
巡 指名順 選手名 ポジション 国籍 出身校など 1 14ロメオ・ラングフォード SGインディアナ大学 1 22グラント・ウィリアムズ PFテネシー大学 2 33カーセン・エドワーズ PGパデュー大学 2 51トレモント・ウォーターズ PGルイジアナ州立大学 参照
ロスター
シーズン成績 ディビジョン
カンファレンス
試合ログ プレシーズン
|- style="background:#bfb" | 1 | 10月6日 | CHA | | ジェイソン・テイタム (20) | グラント・ウィリアムズ (9) | ケンバ・ウォーカー (4) | TDガーデン18,624 | 1–0 |- style="background:#bfb" | 2 | 10月11日 | @ ORL | | ジェイソン・テイタム (15) | ダニエル・タイス (9) | ワナメイカー, スマート (4) | アムウェイ・センター17,354 | 2–0 |- style="background:#bfb" | 3 | 10月13日 | CLE | | マックス・ストラス (14) | ジェイソン・テイタム (9) | トレモント・ウォーターズ (4) | TDガーデン18,624 | 3–0 |- style="background:#bfb" | 4 | 10月15日 | @ CLE | | カーセン・エドワーズ (30) | ジャボンテ・グリーン (9) | トレモント・ウォーターズ (7) | ロケット・モーゲージ・フィールドハウス12,398 | 4–0
レギュラーシーズン
|- style="background:#fbb;" | 1 | October 23 | @ Philadelphia | | Gordon Hayward (25) | Jayson Tatum (10) | Marcus Smart (6) | Wells Fargo Center20,422 | 0–1 |- style="background:#bfb;" | 2 | October 25 | Toronto | | Tatum, Brown (25) | Tatum, Brown (9) | Tatum, Brown, G.Williams (4) | TD Garden18,624 | 1–1 |- style="background:#bfb;" | 3 | October 26 | @ New York | | Kemba Walker (32) | Jayson Tatum (9) | Smart, Walker (4) | Madison Square Garden19,812 | 2–1 |- style="background:#bfb;" | 4 | October 30 | Milwaukee | | Kemba Walker (32) | Gordon Hayward (10) | Gordon Hayward (7) | TD Garden18,624 | 3–1
|- style="background:#bfb;" | 5 | November 1 | New York | | Kemba Walker (33) | Gordon Hayward (9) | Kemba Walker (5) | TD Garden18,624 | 4–1 |- style="background:#bfb;" | 6 | November 5 | @ Cleveland | | Gordon Hayward (39) | Daniel Theis (9) | Gordon Hayward (8) | Rocket Mortgage FieldHouse17,709 | 5–1 |- style="background:#bfb;" | 7 | November 7 | @ Charlotte | | Jayson Tatum (23) | Gordon Hayward (10) | Hayward, Walker (6) | Spectrum Center18,487 | 6–1 |- style="background:#bfb;" | 8 | November 9 | @ San Antonio | | Jaylen Brown (30) | Tatum, Brown, Williams III (7) | Kemba Walker (8) | AT&T Center18,354 | 7–1 |- style="background:#bfb;" | 9 | November 11 | Dallas | | Kemba Walker (29) | Jaylen Brown (11) | Marcus Smart (6) | TD Garden18,624 | 8–1 |- style="background:#bfb;" | 10 | November 13 | Washington | | Kemba Walker (25) | Enes Kanter (9) | Smart, Walker, Wanamaker (5) | TD Garden19,156 | 9–1 |- style="background:#bfb;" | 11 | November 15 | @ Golden State | | Jayson Tatum (24) | Brown, Tatum (8) | Kemba Walker (5) | Chase Center18,064 | 10–1 |- style="background:#fbb;" | 12 | November 17 | @ Sacramento | | Jaylen Brown (18) | Daniel Theis (10) | Smart, Walker (9) | Golden 1 Center16,633 | 10–2 |- style="background:#bfb;" | 13 | November 18 | @ Phoenix | | Jayson Tatum (26) | Theis, Tatum (11) | Brad Wanamaker (6) | Talking Stick Resort Arena15,193 | 11–2 |- style="background:#fbb;" | 14 | November 20 | @ LA Clippers | | Jayson Tatum (30) | Daniel Theis (14) | Marcus Smart (8) | Staples Center19,068 | 11–3 |- style="background:#fbb;" | 15 | November 22 | @ Denver | | Jaylen Brown (22) | Jaylen Brown (10) | Brown, Wanamaker (4) | Pepsi Center19,520 | 11–4 |- style="background:#bfb;" | 16 | November 25 | Sacramento | | Jaylen Brown (24) | Enes Kanter (9) | Marcus Smart (7) | TD Garden19,156 | 12–4 |- style="background:#bfb;" | 17 | November 27 | Brooklyn | | Kemba Walker (39) | Jaylen Brown (10) | Smart, Tatum (5) | TD Garden19,156 | 13–4 |- style="background:#fbb;" | 18 | November 29 | @ Brooklyn | | Jayson Tatum (26) | Jayson Tatum (9) | Kemba Walker (6) | Barclays Center17,732 | 13–5
|- style="background:#bfb;" | 19 | December 1 | @ New York | | Jayson Tatum (30) | Enes Kanter (11) | Kemba Walker (10) | Madison Square Garden18,005 | 14–5 |- style="background:#bfb;" | 20 | December 4 | Miami | | Jaylen Brown (31) | Robert Williams III (10) | Kemba Walker (7) | TD Garden19,156 | 15–5 |- style="background:#bfb;" | 21 | December 6 | Denver | | Jayson Tatum (26) | Brown, Tatum (7) | Jayson Tatum (5) | TD Garden19,156 | 16–5 |- style="background:#bfb;" | 22 | December 9 | Cleveland | | Kemba Walker (22) | Jayson Tatum (11) | Kemba Walker (7) | TD Garden19,156 | 17–5 |- style="background:#fbb;" | 23 | December 11 | @ Indiana | | Kemba Walker (44) | Jaylen Brown (8) | Jaylen Brown (8) | Bankers Life Fieldhouse15,637 | 17–6 |- style="background:#fbb;" | 24 | December 12 | Philadelphia | | Kemba Walker (29) | Enes Kanter (9) | Kemba Walker (8) | TD Garden19,156 | 17–7 |- style="background:#bfb;" | 25 | December 18 | @ Dallas | | Kemba Walker (32) | Enes Kanter (13) | Kemba Walker (3) | American Airlines Center20,181 | 18–7 |- style="background:#bfb;" | 26 | December 20 | Detroit | | Brown, Tatum (26) | Enes Kanter (18) | Kemba Walker (11) | TD Garden19,156 | 19–7 |- style="background:#bfb;" | 27 | December 22 | Charlotte | | Jayson Tatum (39) | Enes Kanter (13) | Brad Wanamaker (8) | TD Garden19,156 | 20–7 |- style="background:#bfb;" | 28 | December 25 | @ Toronto | | Jaylen Brown (30) | Enes Kanter (11) | Hayward, Tatum (6) | Scotiabank Arena19,800 | 21–7 |- style="background:#bfb;" | 29 | December 27 | Cleveland | | Jaylen Brown (34) | Brown, Kanter (9) | Gordon Hayward (8) | TD Garden19,156 | 22–7 |- style="background:#fbb;" | 30 | December 28 | Toronto | | Kemba Walker (30) | Hayward, Kanter (6) | Jayson Tatum (4) | TD Garden19,156 | 22–8 |- style="background:#bfb;" | 31 | December 31 | @ Charlotte | | Jayson Tatum (24) | Enes Kanter (14) | Smart, Walker (7) | Spectrum Center19,216 | 23–8
|- style="background:#bfb;" | 32 | January 3 | Atlanta | | Jaylen Brown (24) | Enes Kanter (11) | Marcus Smart (9) | TD Garden19,156 | 24–8 |- style="background:#bfb;" | 33 | January 4 | @ Chicago | | Jayson Tatum (28) | Enes Kanter (12) | Smart, Wanamaker (5) | United Center21,130 | 25–8 |- style="background:#fbb;" | 34 | January 6 | @ Washington | | Jaylen Brown (23) | Jaylen Brown (12) | Gordon Hayward (4) | Capital One Arena17,963 | 25–9 |- style="background:#fbb;" | 35 | January 8 | San Antonio | | Gordon Hayward (18) | Enes Kanter (7) | Marcus Smart (5) | TD Garden19,156 | 25–10 |- style="background:#fbb;" | 36 | January 9 | @ Philadelphia | | Kemba Walker (26) | Enes Kanter (11) | Jayson Tatum (4) | Wells Fargo Center20,822 | 25–11 |- style="background:#bfb;" | 37 | January 11 | New Orleans | | Jayson Tatum (41) | Enes Kanter (19) | Kemba Walker (7) | TD Garden19,156 | 26–11 |- style="background:#bfb;" | 38 | January 13 | Chicago | | Jayson Tatum (21) | Enes Kanter (9) | Hayward, Smart (8) | TD Garden19,156 | 27–11 |- style="background:#fbb;" | 39 | January 15 | Detroit | | Gordon Hayward (25) | Jaylen Brown (12) | Daniel Theis (6) | TD Garden19,156 | 27–12 |- style="background:#fbb;" | 40 | January 16 | @ Milwaukee | | Kemba Walker (40) | Kemba Walker (11) | Brad Wanamaker (4) | Fiserv Forum17,873 | 27–13 |- style="background:#fbb;" | 41 | January 18 | Phoenix | | Marcus Smart (37) | Jayson Tatum (10) | Marcus Smart (8) | TD Garden19,156 | 27–14 |- style="background:#bfb;" | 42 | January 20 | LA Lakers | | Jayson Tatum (27) | Enes Kanter (11) | Kemba Walker (7) | TD Garden19,156 | 28–14 |- style="background:#bfb;" | 43 | January 22 | Memphis | | Jayson Tatum (23) | Enes Kanter (8) | Marcus Smart (6) | TD Garden19,156 | 29–14 |- style="background:#bfb;" | 44 | January 24 | @ Orlando | | Kemba Walker (37) | Gordon Hayward (14) | Smart, Walker (6) | Amway Center 18,846 | 30–14 |- style="background:#fbb;" | 45 | January 26 | @ New Orleans | | Kemba Walker (35) | Daniel Theis (9) | Marcus Smart (7) | Smoothie King Center16,737 | 30–15 |- style="background:#bfb;" | 46 | January 28 | @ Miami | | Gordon Hayward (29) | Daniel Theis (11) | Kemba Walker (8) | American Airlines Arena19,704 | 31–15 |- style="background:#bfb;" | 47 | January 30 | Golden State | | Gordon Hayward (25) | Hayward, Theis (8) | Marcus Smart (6) | TD Garden19,156 | 32–15
|- style="background:#bfb;" | 48 | February 1 | Philadelphia | | Jaylen Brown (32) | Brown, Hayward (9) | Smart, Tatum (4) | TD Garden19,156 | 33–15 |- style="background:#bfb;" | 49 | February 3 | @ Atlanta | | Jayson Tatum (28) | Enes Kanter (9) | Gordon Hayward (6) | State Farm Arena16,231 | 34–15 |- style="background:#bfb;" | 50 | February 5 | Orlando | | Jayson Tatum (33) | Kanter, Tatum (8) | Gordon Hayward (7) | TD Garden19,156 | 35–15 |- style="background:#bfb;" | 51 | February 7 | Atlanta | | Jayson Tatum (32) | Enes Kanter (15) | Smart, Tatum, Walker (6) | TD Garden19,156 | 36–15 |- style="background:#bfb;" | 52 | February 9 | @ Oklahoma City | | Kemba Walker (27) | Tatum, Theis (11) | Daniel Theis (5) | Chesapeake Energy Arena18,203 | 37–15 |- style="background:#fbb;" | 53 | February 11 | @ Houston | | Gordon Hayward (20) | Tatum, Theis (9) | Gordon Hayward (6) | Toyota Center18,055 | 37–16 |- style="background:#bfb;" | 54 | February 13 | LA Clippers | | Jayson Tatum (39) | Gordon Hayward (13) | Kemba Walker (7) | TD Garden19,156 | 38–16 |- align="center" | colspan="9" style="background:#bbcaff;" | All-Star Break |- style="background:#bfb;" | 55 | February 21 | @ Minnesota | | Gordon Hayward (29) | Daniel Theis (16) | Marcus Smart (10) | Target Center18,978 | 39–16 |- style="background:#fbb;" | 56 | February 23 | @ LA Lakers | | Jayson Tatum (41) | Daniel Theis (9) | Gordon Hayward (9) | Staples Center18,997 | 39–17 |- style="background:#bfb;" | 57 | February 25 | @ Portland | | Jayson Tatum (36) | Daniel Theis (9) | Brad Wanamaker (4) | Moda Center19,460 | 40–17 |- style="background:#bfb;" | 58 | February 26 | @ Utah | | Jayson Tatum (33) | Jayson Tatum (11) | Marcus Smart (9) | Vivint Smart Home Arena18,306 | 41–17 |- style="background:#fbb;" | 59 | February 29 | Houston | | Jayson Tatum (32) | Daniel Theis (15) | Marcus Smart (7) | TD Garden19,156 | 41–18
|- style="background:#fbb;" | 60 | March 3 | Brooklyn | | Jaylen Brown (22) | Javonte Green (8) | Marcus Smart (10) | TD Garden19,156 | 41–19 |- style="background:#bfb;" | 61 | March 4 | @ Cleveland | | Jayson Tatum (32) | Enes Kanter (11) | Jayson Tatum (6) | Rocket Mortgage FieldHouse16,897 | 42–19 |- style="background:#fbb;" | 62 | March 6 | Utah | | Marcus Smart (29) | Daniel Theis (9) | Kemba Walker (7) | TD Garden19,156 | 42–20 |- style="background:#fbb;" | 63 | March 8 | Oklahoma City | | Gordon Hayward (24) | Marcus Smart (10) | Kemba Walker (5) | TD Garden19,156 | 42–21 |- style="background:#bfb;" | 64 | March 10 | @ Indiana | | Jayson Tatum (30) | Gordon Hayward (10) | Hayward, Smart (5) | Bankers Life Fieldhouse17,053 | 43–21
|- style="background:#fbb;" | 65 | July 31 | @ Milwaukee | | Marcus Smart (23) | Daniel Theis (12) | Gordon Hayward (6) | HP Field HouseNo In-Person Attendance | 43–22 |- style="background:#bfb;" | 66 | August 2 | Portland | | Jayson Tatum (34) | Hayward, Kanter (8) | Jayson Tatum (8) | The ArenaNo In-Person Attendance | 44–22 |- style="background:#fbb;" | 67 | August 4 | @ Miami | | Jayson Tatum (23) | Jaylen Brown (10) | Kemba Walker (4) | HP Field HouseNo In-Person Attendance | 44–23 |- style="background:#bfb;" | 68 | August 5 | Brooklyn | | Jaylen Brown (21) | Gordon Hayward (7) | Marcus Smart (6) | The ArenaNo In-Person Attendance | 45–23 |- style="background:#bfb;" | 69 | August 7 | @ Toronto | | Jaylen Brown (20) | Daniel Theis (11) | Marcus Smart (5) | The ArenaNo In-Person Attendance | 46–23 |- style="background:#bfb;" | 70 | August 9 | Orlando | | Gordon Hayward (31) | Jaylen Brown (12) | Marcus Smart (9) | The ArenaNo In-Person Attendance | 47–23 |- style="background:#bfb;" | 71 | August 11 | @ Memphis | | Jayson Tatum (29) | Enes Kanter (8) | Marcus Smart (9) | HP Field HouseNo In-Person Attendance | 48–23 |- style="background:#fbb;" | 72