Martin's performance earned him a return to the major leagues with the Cardinals in 1931. When veteran center fielder Taylor Douthit went into a hitting slump, Martin replaced him and played well enough that Cardinals' president, Branch Rickey, traded Douthit to the Cincinnati Reds in June. Martin impressed observers with his hustle in the outfield as well as on the base paths where he often slid into bases head-first. He ended the year with a .300 batting average along with seven home runs and 75 runs batted in to help the Cardinals clinch the 1931 National League pennant by 13 games over the New York Giants.
He set a then record 12 hits in the series, including four doubles, a home run, five stolen bases and five runs batted in. Martin's .500 series batting average may have made the difference in the series outcome, as without him the Cardinals batted just .205 as a team. During the series, Martin was asked how he had learned to run so fast; he replied, "I grew up in Oklahoma, and once you start runnin' out there there ain't nothin' to stop you". Longtime major league manager, John McGraw, described Martin's performance as "the greatest individual performance in the history of the World Series". In December, he was selected as male athlete of the year by the Associated Press.
Martin led Sacramento to a second-place finish in 1941 before leading them to their first Pacific Coast League championship in 38 years in 1942. He then became a player-manager for the Rochester Red Wings in 1943. When professional baseball experienced a shortage of players during World War II, Martin returned to the major leagues in 1944 with the Cardinals at the age of 40. In 40 games with the Cardinals, he posted a .279 batting average and an impressive .386 on-base percentage to help the Cardinals clinch the 1944 National League pennant. Martin did not appear in the 1944 World Series, playing his final major league game on October 1, 1944.
After the end of his major league career, Martin returned to the minor leagues, serving as a player-manager with the San Diego Padres of the Pacific Coast League in 1945 and 1946 before becoming the player-manager for the Greenville Spinners of the South Atlantic League in 1947. His fiery, competitive nature was still evident in July 1945 when it was reported that he had punched one of his players for not performing to his standards. While managing the Miami Sun Sox of the Florida International League in 1949, he was fined and suspended for the remainder of the season for choking an umpire. In August 1951, he made news again when he was arrested after a Sun Sox game when he went into the stands to punch a spectator in Lakeland, Florida.
When the Sun Sox released him, Martin was hired to manage the Miami Beach Flamingos of the Florida International League in 1952. Despite leading them to a 103-49 record, the Flamingos finished the season one game behind his former team, the Sun Sox. In 1953, he became the manager of the Fort Lauderdale Lions and led them to the Florida International League title. After spending the 1954 season as the manager for the Portsmouth Merrimacs, Martin was named as a coach for the Chicago Cubs in September 1955. Stan Hack was fired as the Cubs manager when they finished in last place in the 1956 season, and the new Cubs manager, Bob Scheffing, asked for Martin's resignation along with the rest of the coaching staff. Martin returned to the minor leagues once again where he became a player-coach for the Tulsa Oilers, playing his final game at the age of 54. He took his final field assignment as the manager of the Miami Marlins in 1959.
Martin was inducted into the Oklahoma Sports Hall of Fame in 1992 and was enshrined into the St. Louis Cardinals Hall of Fame in 2017.
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"Pepper Martin Back In Action". The Calgary Herald. Associated Press. May 31, 1958. p. 36. Retrieved March 16, 2011. https://news.google.com/newspapers?id=lmZkAAAAIBAJ&pg=3977,7099643&dq=pepper+martin&hl=en
"Marlins Will Bite If They Can Absorb Martin's Pepper". The Pittsburgh Press. January 10, 1959. Retrieved March 16, 2011. https://news.google.com/newspapers?id=jGYcAAAAIBAJ&pg=7241,3521485&dq=pepper+martin&hl=en
"Pepper Martin In Prison Job". Lawrence Journal-World. Associated Press. October 6, 1960. p. 8. Retrieved March 16, 2011. https://news.google.com/newspapers?id=c8MxAAAAIBAJ&pg=5208,427075&dq=pepper+martin&hl=en
"Gas House Gang's Pepper Martin Dies". The Palm Beach Post. Associated Press. March 5, 1965. Retrieved March 16, 2011.[permanent dead link] https://news.google.com/newspapers?id=9cQiAAAAIBAJ&pg=1182,1216780&dq=pepper+martin&hl=en
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