The 2023 Cleveland Guardians season was the 123rd season for the franchise, which competed in the American League of Major League Baseball (MLB). This was the franchise's second season using the "Guardians" nickname, and 11th and final season under manager Terry Francona, the longest-tenured manager in MLB entering the 2023 season. They entered the season as the defending American League Central champions. The team opened the regular season on March 30, losing on the road against the Seattle Mariners, and concluded the regular season on October 1, losing on the road against the Detroit Tigers. They failed to improve on their 92–70 record from the 2022 season, and failed to qualify for the playoffs.

The Cleveland Guardians drew an average home attendance of 23,513 in 78 home games in the 2023 MLB season. The total attendance was 1,834,068.

Offseason Rule changes Pursuant to the CBA, new rule changes will be in place for the 2023 season:

institution of a pitch clock between pitches; limits on pickoff attempts per plate appearance; limits on defensive shifts requiring two infielders to be on either side of second and be within the boundary of the infield; and larger bases (increased to 18-inch squares);

Season standings

American League Central

American League Wild Card

Record vs. opponents Record vs. American League

Record vs. National League

Regular season

Game log

|- style="background:#fbb;" | 1 || March 30 || @ Mariners || 0–3 || Sewald (1–0) || Karinchak (0–1) || Muñoz (1) || 45,268 || 0–1 || L1 |- style="background:#bfb;" | 2 || March 31 || @ Mariners || 9–4 || Sandlin (1–0) || Ray (0–1) || — || 31,516 || 1–1 || W1 |- style="background:#bfb;" | 3 || April 1 || @ Mariners || 2–0 || Civale (1–0) || Gilbert (0–1) || Clase (1) || 44,250 || 2–1 || W2 |- style="background:#bfb;" | 4 || April 2 || @ Mariners || 6–5 || De Los Santos (1–0) || Murfee (0–1) || Stephan (1) || 34,045 || 3–1 || W3 |- style="background:#bfb;" | 5 || April 3 || @ Athletics || 12–11 || Clase (1–0) || May (1–1) || Morgan (1) || 3,035 || 4–1 || W4 |- style="background:#fbb;" | 6 || April 4 || @ Athletics || 3–4 || May (2–1) || Karinchak (0–2) || — || 3,407 || 4–2 || L1 |- style="background:#bfb;" | 7 || April 5 || @ Athletics || 6–4 || Morgan (1–0) || Jackson (0–1) || Clase (2) || 4,930 || 5–2 || W1 |- style="background:#fbb;" | 8 || April 7 || Mariners || 3–5 || Murfee (1–1) || Civale (1–1) || Sewald (1) || 34,821 || 5–3 || L1 |- style="background:#fbb;" | 9 || April 8 || Mariners || 2–3 || Gonzales (1–0) || Quantrill (0–1) || Sewald (2) || 17,489 || 5–4 || L2 |- style="background:#bfb;" | 10 || April 9 || Mariners || 7–6 || Herrin (1–0) || Murfee (1–2) || — || 12,716 || 6–4 || W1 |- style="background:#bfb;" | 11 || April 10 || Yankees || 3–2 || Bieber (1–0) || Hamilton (0–1) || Clase (3) || 19,278 || 7–4 || W2 |- style="background:#fbb;" | 12 || April 11 || Yankees || 2–11 || Cole (3–0) || Gaddis (0–1) || — || 20,164 || 7–5 || L1 |- style="background:#fbb;" | 13 || April 12 || Yankees || 3–4 || Peralta (1–0) || Clase (1–1) || Holmes (4) || 23,164 || 7–6 || L2 |- style="background:#bfb;" | 14 || April 14 || @ Nationals || 4–3 || Stephan (1–0) || Edwards Jr. (0–1) || Clase (4) || 21,367 || 8–6 || W1 |- style="background:#bfb;" | 15 || April 15 || @ Nationals || 6–4 || Plesac (1–0) || Kuhl (0–1) || Clase (5) || 24,909 || 9–6 || W2 |- style="background:#fbb;" | 16 || April 16 || @ Nationals || 6–7 || Thompson (1–1) || Sandlin (1–1) || Finnegan (3) || 21,929 || 9–7 || L1 |- style="background:#bbb;" | — || April 17 || @ Tigers || colspan=7| Postponed (rain); Makeup April 18 |- style="background:#fbb;" | 17 || April 18 || @ Tigers || 3–4 || Lange (1–0) || Karinchak (0–3) || — || || 9–8 || L2 |- style="background:#fbb;" | 18 || April 18 || @ Tigers || 0–1 || Rodríguez (1–2) || Battenfield (0–1) || Foley (1) || 10,099 || 9–9 || L3 |- style="background:#bfb;" | 19 || April 19 || @ Tigers || 3–2 || Quantrill (1–1) || Turnbull (1–3) || Clase (6) || 11,230 || 10–9 || W1 |- style="background:#bbb;" | — || April 21 || Marlins || colspan=7| Postponed (rain); Makeup April 22 |- style="background:#fbb;" | 20 || April 22 || Marlins || 1–6 || Nardi (2–1) || Bieber (1–1) || — || || 10–10 || L1 |- style="background:#fbb;" | 21 || April 22 || Marlins || 2–3 || Garrett (1–0) || Plesac (1–1) || Puk (4) || 14,478 || 10–11 || L2 |- style="background:#bfb;" | 22 || April 23 || Marlins || 7–4 || Allen (1–0) || Luzardo (2–1) || Clase (7) || 12,664 || 11–11 || W1 |- style="background:#fbb;" | 23 || April 24 || Rockies || 0–6 || Gomber (1–4) || Quantrill (1–2) || — || 9,258 || 11–12 || L1 |- style="background:#fbb;" | 24 || April 25 || Rockies || 1–5 || Feltner (2–2) || Battenfield (0–2) || — || 9,493 || 11–13 || L2 |- style="background:#bfb;" | 25 || April 26 || Rockies || 4–1 || Bibee (1–0) || Márquez (2–2) || Clase (8) || 9,841 || 12–13 || W1 |- style="background:#bfb;" | 26 || April 28 || @ Red Sox || 5–2 || Bieber (2–1) || Pivetta (1–2) || Clase (9) || 30,578 || 13–13 || W2 |- style="background:#fbb;" | 27 || April 29 || @ Red Sox || 7–8 || Bernardino (1–0) || Clase (1–2) || — || 31,717 || 13–14 || L1 |- style="background:#fbb;" | 28 || April 30 || @ Red Sox || 1–7 || Sale (2–2) || Allen (1–1) || — || 29,395 || 13–15 || L2

|- style="background:#bfb;" | 29 || May 1 || @ Yankees || 3–2 || De Los Santos (2–0) || Holmes (0–2) || Clase (10) || 33,414 || 14–15 || W1 |- style="background:#fbb;" | 30 || May 2 || @ Yankees || 2–4 || Peralta (2–0) || Karinchak (0–4) || King (2) || 32,521 || 14–16 || L1 |- style="background:#fbb;" | 31 || May 3 || @ Yankees || 3–4 || Abreu (1–0) || Stephan (1–1) || — || 36,060 || 14–17 || L2 |- style="background:#fbb;" | 32 || May 5 || Twins || 0–2 || Ober (2–0) || Battenfield (0–3) || Durán (7) || 17,849 || 14–18 || L3 |- style="background:#bfb;" | 33 || May 6 || Twins || 4–3 || Stephan (2–1) || Alcalá (0–1) || Clase (11) || 20,795 || 15–18 || W1 |- style="background:#bfb;" | 34 || May 7 || Twins || 2–0 || Quantrill (2–2) || Ryan (5–1) || Clase (12) || 17,477 || 16–18 || W2 |- style="background:#fbb;" | 35 || May 8 || Tigers || 2–6 || Wentz (1–3) || Bibee (1–1) || — || 12,509 || 16–19 || L1 |- style="background:#bfb;" | 36 || May 9 || Tigers || 2–0 || Bieber (3–1) || Lorenzen (1–2) || Clase (13) || 13,096 || 17–19 || W1 |- style="background:#fbb;" | 37 || May 10 || Tigers || 0–5 || Rodríguez (4–2) || Battenfield (0–4) || — || 16,128 || 17–20 || L1 |- style="background:#fbb;" | 38 || May 12 || Angels || 4–5 || Moore (3–1) || Clase (1–3) || Estévez (9) || 22,550 || 17–21 || L2 |- style="background:#bfb;" | 39 || May 13 || Angels || 8–6 || Morgan (2–0) || Tepera (2–2) || Stephan (2) || 27,644 || 18–21 || W1 |- style="background:#bfb;" | 40 || May 14 || Angels || 4–3 || Karinchak (1–4) || Sandoval (3–2) || Clase (14) || 23,175 || 19–21 || W2 |- style="background:#fbb;" | 41 || May 16 || @ White Sox || 3–8 || Lynn (2–5) || Bieber (3–2) || — || 18,459 || 19–22 || L1 |- style="background:#fbb;" | 42 || May 17 || @ White Sox || 2–7 || Clevinger (3–3) || Battenfield (0–5) || — || 12,241 || 19–23 || L2 |- style="background:#bfb;" | 43 || May 18 || @ White Sox || 3–1 || Sandlin (2–1) || Cease (2–3) || Clase (15) || 11,900 || 20–23 || W1 |- style="background:#fbb;" | 44 || May 19 || @ Mets || 9–10 || Smith (3–1) || Clase (1–4) || — || 35,010 || 20–24 || L1 |- style="background:#bbb;" | -- || May 20 || @ Mets || colspan=7| Postponed (rain); Makeup May 21 |- style="background:#fbb;" | 45 || May 21 || @ Mets || 4–5 || Robertson (2–0) || Stephan (2–2) || — || 39,995 || 20–25 || L2 |- style="background:#fbb;" | 46 || May 21 || @ Mets || 1–2 || Verlander (2–2) || Bieber (3–3) || Raley (1) || 29,862 || 20–26 || L3 |- style="background:#bfb;" | 47 || May 22 || White Sox || 3–0 || Gaddis (1–1) || Scholtens (0–2) || Clase (16) || 13,878 || 21–26 || W1 |- style="background:#fbb;" | 48 || May 23 || White Sox || 2–4 || Cease (3–3) || Allen (1–2) || Graveman (4) || 14,524 || 21–27 || L1 |- style="background:#fbb;" | 49 || May 24 || White Sox || 0–6 || Kopech (3–4) || Quantrill (2–3) || — || 17,767 || 21–28 || L2 |- style="background:#bfb;" | 50 || May 26 || Cardinals || 4–3 || Bieber (4–3) || Liberatore (1–1) || Clase (17) || 31,303 || 22–28 || W1 |- style="background:#fbb;" | 51 || May 27 || Cardinals || 1–2 || Helsley (3–3) || Sandlin (2–2) || Gallegos (6) || 32,224 || 22–29 || L1 |- style="background:#bfb;" | 52 || May 28 || Cardinals || 4–3 || Curry (1–0) || Helsley (3–4) || — || 27,398 || 23–29 || W1 |- style="background:#bfb;" | 53 || May 29 || @ Orioles || 5–0 || Allen (2–2) || Wells (3–2) || — || 25,249 || 24–29 || W2 |- style="background:#fbb;" | 54 || May 30 || @ Orioles || 5–8 || Gibson (7–3) || Quantrill (2–4) || Bautista (14) || 11,709 || 24–30 || L1 |- style="background:#bfb;" | 55 || May 31 || @ Orioles || 12–8 || Curry (2–0) || Givens (0–1) || — || 11,304 || 25–30 || W1

|- style="background:#fbb;" | 56 || June 1 || @ Twins || 6–7 || Jax (3–6) || Morgan (2–1) || — || 16,788 || 25–31 || L1 |- style="background:#fbb;" | 57 || June 2 || @ Twins || 0–1 || Stewart (2–0) || Sandlin (2–3) || Durán (8) || 26,818 || 25–32 || L2 |- style="background:#bfb;" | 58 || June 3 || @ Twins || 4–2 || Allen (3–2) || Gray (4–1) || Clase (18) || 27,153 || 26–32 || W1 |- style="background:#bfb;" | 59 || June 4 || @ Twins || 2–1 || Karinchak (2–4) || Ryan (7–3) || Clase (19) || 23,629 || 27–32 || W2 |- style="background:#fbb;" | 60 || June 6 || Red Sox || 4–5 || Paxton (2–1) || De Los Santos (2–1) || Jansen (13) || 21,471 || 27–33 || L1 |- style="background:#bfb;" | 61 || June 7 || Red Sox || 5–2 || Bibee (2–1) || Crawford (1–3) || Clase (20) || 19,444 || 28–33 || W1 |- style="background:#bfb;" | 62 || June 8 || Red Sox || 10–3 || Civale (2–1) || Dermody (0–1) || — || 21,473 || 29–33 || W2 |- style="background:#bfb;" | 63 || June 9 || Astros || 10–9 || Curry (3–0) || Martinez (1–2) || — || 31,787 || 30–33 || W3 |- style="background:#fbb;" | 64 || June 10 || Astros || 4–6 || France (2–1) || McKenzie (0–1) || Pressly (12) || 35,087 || 30–34 || L1 |- style="background:#bfb;" | 65 || June 11 || Astros || 5–0 || Bieber (5–3) || Bielak (3–3) || — || 26,318 || 31–34 || W1 |- style="background:#fbb;" | 66 || June 13 || @ Padres || 3–6 || Musgrove (4–2) || Bibee (2–2) || Hader (16) || 40,197 || 31–35 || L1 |- style="background:#fbb;" | 67 || June 14 || @ Padres || 0–5 || Wacha (7–2) || Civale (2–2) || — || 43,660 || 31–36 || L2 |- style="background:#bfb;" | 68 || June 15 || @ Padres || 8–6 || Stephan (3–2) || Weathers (1–5) || Clase (21) || 41,864 || 32–36 || W1 |- style="background:#fbb;" | 69 || June 16 || @ Diamondbacks || 1–5 || Gallen (8–2) || Toussaint (0–1) || — || 27,203 || 32–37 || L1 |- style="background:#fbb;" | 70 || June 17 || @ Diamondbacks || 3–6 || Castro (4–2) || Bieber (5–4) || McGough (3) || 25,471 || 32–38 || L2 |- style="background:#bfb;" | 71 || June 18 || @ Diamondbacks || 12–3 || Bibee (3–2) || Davies (1–3) || — || 42,031 || 33–38 || W1 |- style="background:#bfb;" | 72 || June 20 || Athletics || 3–2 || De Los Santos (3–1) || May (2–4) || — || 17,773 || 34–38 || W2 |- style="background:#bfb;" | 73 || June 21 || Athletics || 7–6 || Morgan (3–1) || Pruitt (1–5) || Clase (22) || 17,853 || 35–38 || W3 |- style="background:#bfb;" | 74 || June 22 || Athletics || 6–1 || Sandlin (3–3) || Sears (1–5) || — || 23,969 || 36–38 || W4 |- style="background:#fbb;" | 75 || June 23 || Brewers || 1–7 || Miley (5–2) || Bieber (5–5) || — || 30,056 || 36–39 || L1 |- style="background:#bfb;" | 76 || June 24 || Brewers || 4-2 || Bibee (4–2) || Peralta (5–7) || Clase (23) || 32,349 || 37-39 || W1 |- style="background:#fbb;" | 77 || June 25 || Brewers || 4–5 || Williams (4–1) || Stephan (3–3) || Peguero (1) || 24,701 || 37–40 || L1 |- style="background:#bfb;" | 78 || June 27 || @ Royals || 2–1 || Stephan (4–3) || Barlow (2–4) || Clase (24) || 15,718 || 38–40 || W1