[9] In his junior season, he had a 12–2 win–loss record, an 0.99 earned run average (ERA), and 120 strikeouts in 84 innings pitched as he helped his team to a runner-up finish in the 2006 4A State Championship.

[9] On June 26, 2010, Bumgarner was called up again to join the club, facing the Boston Red Sox the next day, where he registered his first career Major League hit.

[26] On October 23 at Citizens Bank Park, in a 3–2 win over the National League Eastern Division champion Philadelphia Phillies, in Game 6 of the NLCS, Bumgarner made his first career postseason relief appearance, relieving Jeremy Affeldt and pitching two shutout innings in the fifth and sixth.

He pitched eight shutout innings and struck out six batters, including designated hitter and future National Baseball Hall of Fame right fielder Vladimir Guerrero three times.

[31] On April 11 at AT&T Park, against the Los Angeles Dodgers, Bumgarner got former teammate Juan Uribe to strike out swinging in the top of the second inning for his 100th career strikeout.

[39] On June 12 at AT&T Park, in a 6–3 win over the Houston Astros, Bumgarner hit his first career Major League home run and also struck out twelve batters.

[9] On October 25 at AT&T Park, in a 2–0 win over the American League (AL) champion Detroit Tigers in Game 2 of the World Series, Bumgarner pitched seven scoreless innings, striking out eight batters and yielding only two hits.

Trailing 3-2 in the bottom of the fourth inning and on the first pitch he saw from pitcher Jorge De La Rosa, Bumgarner hit a fly ball into the left field bleachers, clearing the bases.

[62] Trailing 1-0 in the bottom of the fifth inning, Posey hammered and launched a line drive off of pitcher Vidal Nuño III to deep left field and into the bleachers, clearing the bases.

He joined Sandy Koufax from the 1965 World Series and Justin Verlander from the 2012 ALDS as the only pitchers to pitch a shutout and strike out ten or more batters in a winner-take-all game.

[73] In addition, according to Fox Sports, Bumgarner is the fourth left-handed pitcher with at least two shutouts in a single postseason, joining Hall of Famers Whitey Ford, Sandy Koufax, and former teammate Randy Johnson.

Since the installment of division play in 1969, Bumgarner is the fourth pitcher to throw multiple complete game shutouts in a single postseason, along with Orel Hershiser, Beckett, and Johnson.

Bumgarner sat down with NBC Sports Bay Area's Alex Pavlovic to reflect and reminisce on his 2014 postseason run before the 10-year reunion of the 2014 World Series championship team ceremony at Oracle Park.

[108] Five days later, in a 6–3 win over the Colorado Rockies, Bumgarner had two hits, one a solo home run, scored twice, and struck out center fielder Brandon Barnes swinging in the top of the second inning for his 1,000th career strikeout.

[119] On August 18 at Busch Stadium, in a 2–0 win over the St. Louis Cardinals, Bumgarner logged his first career pinch-hit, a two-out single to left field in the top of the seventh inning off of Lance Lynn.

[128] For the third year in a row, Bumgarner made the Opening Day start for the Giants in 2016 (April 4), lasting only five innings and allowing three runs but earning the win in a 12–3 triumph over the Milwaukee Brewers.

[130] From April 20 to June 20, Bumgarner allowed two earned runs or fewer in 12 consecutive starts, tying Fred Anderson for the third-longest streak in Giants history since 1913.

[138][139][140] On August 18, in a 10–7 win over the New York Mets, Bumgarner became the second pitcher since 1900 after Hal Jeffcoat of the 1957 Cincinnati Redlegs to allow a grand slam and then hit a go-ahead home run in the same inning, according to the Elias Sports Bureau.

He struck out ten batters and walked nobody in a 3–2 win over the eventual World Series Champion Chicago Cubs, notching his thirtieth career double-digit strikeout game, surpassing Mathewson's twenty-nine for second place in Giants franchise history behind only Lincecum's thirty-six.

He pitched his third career postseason complete game four-hit shutout to give the Giants a 3–0 win over the defending National League Champion New York Mets.

[161] In his fourth consecutive Opening Day start on April 2, 2017, Bumgarner struck out 11 in seven innings pitched and hit two home runs, including one against Greinke.

He became the fourth player to strikeout 10 batters and hit two home runs in a game since the mound moved to its current distance in 1893, joining Rick Wise (1971), Pedro Ramos (1963) and Milt Pappas (1961).

[172] Six days later, in a 1–0 walk-off win over the Rockies, Bumgarner struck out leadoff hitter and second baseman DJ LeMahieu in the top of the first inning for his 1,500th career strikeout, becoming the fourth-fastest left-handed pitcher since 1920 to reach the milestone.

[178] He registered a pinch-hit walk-off RBI single off of Rowan Wick on September 25, knocking in Gorkys Hernández from third base in the bottom of the twelfth inning to give the Giants a 5–4 win over the Padres.

[199] He made his 278th career start in a 3–2 win over the Oakland Athletics on August 13, surpassing Rueter (277) for the most by a left-handed pitcher in the San Francisco era and the second-most in franchise history behind Hubbell (433).

Leading off the bottom of the third inning and on the first pitch he saw, Bumgarner hit a 369-foot fly ball off of pitcher Jeff Hoffman down the deep left field line for his 19th career home run and made the score 3–1.

Trailing 1-0 in the bottom of the first inning, Posey hit a fly ball off of Hoffman down the deep left field line and into the bleachers for a two-run homer, knocking in rookie outfielder Mike Yastrzemski.

[225][226][227][228][229][230] On July 24, 2020, at Petco Park, Bumgarner made his Arizona Diamondbacks team debut as their Opening Day starting pitcher against the San Diego Padres.

"[12] Bumgarner married his high school sweetheart, Ali Saunders, on February 14, 2010, in a private ceremony in which he wore "a white open-collar shirt and blue jeans while carrying a pocketknife.

Bumgarner, who added that he was frequently recognized at rodeo events, won over $26,000 in a competition in Wickenburg, Arizona about two weeks before he signed his Diamondbacks contract, and said that he may pursue roping more seriously after the end of his MLB career.