On May 15, 2014, the New York Yankees announced that Chase Whitley would make his Major League debut against the New York Mets in the Subway Series. On the mound, he pitched 4.2 innings while issuing 2 hits and 2 walks while striking out 4. At the plate, he recorded his first career hit off of Jacob deGrom, who also got a hit and made his MLB debut in the same game. Whitley took the no-decision as the Yankees would go on to win against the Mets 1–0. It was the first Yankee game since 1908 in which both starting pitchers were making their MLB debut. Whitley surrendered his first major league home run on June 12 to Logan Morrison of the Seattle Mariners. On June 23, 2014 against the Blue Jays, Whitley surrendered 8 runs in innings pitched, leading to his first MLB loss as the Yankees lost 3–8 to the Blue Jays. In 24 games, he finished the year 4–3 with a 5.23 ERA.
2015
Whitley started the 2015 season with Scranton Wilkes/Barre. He was called up on April 27, and made his first start of the season the next day. After pitching through elbow pain, Whitley exited a start on May 14 in the second inning, and was diagnosed with a tear in his ulnar collateral ligament in his elbow. Whitley had Tommy John surgery to repair the UCL, and it prematurely ended his 2015 season. In 4 starts, he went 1-2 with a 4.19 ERA.
Tampa Bay Rays
2016
Whitley was claimed on waivers by the Tampa Bay Rays on November 20, 2015. He began the 2016 season on the 60-day disabled list to continue recovering from Tommy John surgery. On August 17, 2016, Whitley was activated from the 60-day disabled list and optioned to the Durham Bulls. During his time with Durham, Whitley recorded a 14.29 ERA in three appearances. Despite his struggles, the Rays added Whitley to the active roster on September 6, 2016. On September 11, 2016, Whitley made his first appearance for the Rays against his former team, the Yankees. In five September outings, Whitley pitched 14.1 innings while surrendering four earned runs.
2017
Whitley started the season with the Triple-A Durham Bulls. On April 16, 2017, the Rays called up Whitley to replace the injured Jake Odorizzi. In his first seven appearances of 2017, Whitley did not allow a run. From mid-April to early August, Whitley pitched 47 innings and struck out 31 while allowing 17 earned runs. After allowing three runs in a relief appearance against the Houston Astros, Whitley was optioned to Triple-A on August 1. He would rejoin the club on August 14 to provide long relief depth in the bullpen.
Atlanta Braves
On December 1, 2017, the Atlanta Braves claimed Whitley off waivers. He declared free agency on October 15, 2018.
Personal life
Whitley has worked at the Excel Baseball Academy in Oxford, Alabama since 2010. Whitley married Brooklyn Elise Herren in December 2010. Whitley has one son, Clete Coleman Whitley, born February 22, 2015.
