[10] They also avoided arbitration when they reached one-year deals with catcher Alex Avila,[11] outfielders Brennan Boesch[11] and Austin Jackson,[11] and pitchers Phil Coke,[11] Doug Fister,[11] Rick Porcello[11] and Max Scherzer.

[14] The Tigers did not re-sign outfielder Delmon Young, backup catcher Gerald Laird,[15] or closer José Valverde, releasing them to free agency.

[20] The Tigers released utility player Ryan Raburn,[21] and non-tendered pitcher Daniel Schlereth's contract, making him a free agent.

[22] Matt Hoffman was outrighted to Triple-A Toledo, and the contract of left-handed relief pitcher Adam Wilk was sold to the NC Dinos of the Korea Baseball Organization.

The club picked up second-baseman Jeff Kobernus from the Boston Red Sox in exchange for utility player Justin Henry, who had been assigned to Toledo.

[27] The Tigers traded catcher Curt Casali to Tampa Bay in exchange for the rights to Rule 5 pitcher Kyle Lobstein, who was out-righted to Class AA Erie.

[28] On April 26, Aníbal Sánchez struck out 17 Atlanta Braves' batters, breaking a franchise record previously set by Tigers' left-hander Mickey Lolich in 1972.

[34] Víctor Martínez started the barrage with a solo shot down the right-field line; Jhonny Peralta followed with a long fly into the fourth row of the left-field bleachers before Alex Avila blasted one into the Orioles' bullpen.

[35] On June 20, Jhonny Peralta hit a walk-off two-run home run off closer Andrew Bailey to defeat the Boston Red Sox, 4–3.

[37] On July 3, after a 6–2 win over the Toronto Blue Jays, Max Scherzer became the first major league pitcher to start a season 13-0 since Roger Clemens in 1986.

[40] On July 6, Torii Hunter fell a single shy of the cycle, hitting a triple, double and two-run home run to help the Tigers defeat the Cleveland Indians, 9–4.

[41] On July 29, the Tigers traded outfield prospect Danry Vasquez and a player to be named later to the Houston Astros, in exchange for relief pitcher José Veras.

[44] On July 30, Alex Avila hit his first career grand slam against the Washington Nationals' ace Stephen Strasburg, leading the Tigers to a 5–1 victory.

[45] On July 31, Torii Hunter fell a triple shy of the cycle, hitting a solo home run, single and double to help the Tigers defeat the Washington Nationals, 11–1.

[46] On August 5, 2013, shortstop Jhonny Peralta was among 13 players suspended by Major League Baseball for his role in the Biogenesis performance-enhancing drug scandal.

[47] On August 8, after a 10–3 win over the Cleveland Indians, Scherzer became the third pitcher in major league history to start a season 17–1, following Roger Clemens in 2001 and Don Newcombe in 1955.

Cabrera became the third player since 1921 to have at least 40 home runs and 120 RBIs while batting .350 or better through 116 games, joining Hall of Fame members Babe Ruth and Jimmie Foxx.

[51] On August 24, after a 3–0 win over the New York Mets, Scherzer became the third pitcher in major league history to start a season 19–1, following Roger Clemens in 2001 and Rube Marquard in 1912.

This marked the first time that a Tigers team won a game after trailing by at least six runs in the ninth since 1947, when they rallied from a 6–0 deficit for a 7–6 win over the Washington Senators.

The Tigers became just the third team in major league history to have three pitchers strike out 200-plus batters in a single season, following the 1969 Houston Astros and 1967 Minnesota Twins.

[61] On November 14, Miguel Cabrera won his second straight AL Most Valuable Player award, on the strength of a league-leading .348 batting average, 44 home runs and 139 RBIs.

[66] On October 12, during Game 1 of the ALCS against the Boston Red Sox, Aníbal Sánchez became the first pitcher in Detroit Tigers history to strike out four batters in one inning.

[67] On October 15, during Game 3 of the ALCS against the Boston Red Sox, Justin Verlander tied a postseason record by striking out six consecutive batters.