After being designated for assignment by the Marlins, Kensing was traded to Washington for Kyle Gunderson on April 29, 2009. In August 2009, the Nationals designated him for assignment again. On December 15, 2009, Kensing was re-signed by the Nationals with an invite to spring training. On March 17, 2010, the Nationals released Kensing.
Kensing signed a minor league contract with the Tampa Bay Rays on April 9, 2010. However, he was forced to undergo two shoulder surgeries during the season and missed the whole year. After beginning the 2011 season with the Bridgeport Bluefish of the independent Atlantic League, Kensing signed a minor league contract with the New York Yankees on June 29. On January 4, 2012, Kensing signed a minor league contract with the Pittsburgh Pirates. In November 2012, Kensing elected free agency.
Colorado Rockies
Kensing was called up by the Colorado Rockies from the Triple-AColorado Springs Sky Sox on June 16, 2013, and made his Rockies debut on June 19 against the Toronto Blue Jays. He was designated for assignment on June 21, 2013. He became a free agent on October 1.
Seattle Mariners
Kensing signed a minor league deal with the Seattle Mariners on January 17, 2014. He was called up from the Triple-A Tacoma Rainiers on August 23, 2015. For the first time since October 4, 2011, Kensing got the win against the Houston Astros on September 1. He pitched a scoreless seventh. Kensing was released by the Mariners after the season. During the 2015 season, Kensing appeared in 19 games for the Triple-A Tacoma Rainiers, where he compiled a 2–1 record with a 5.87 ERA. He had 13 strikeouts in 15 innings pitched.
Detroit Tigers
On December 23, 2015, Kensing signed a minor league contract with the Detroit Tigers, and was invited to spring training. After a solid spring training and injuries to Alex Wilson and Blaine Hardy, Kensing was added to the Detroit Tigers major league roster to start the 2016 season. He was designated for assignment on April 18, 2016, when they activated Blaine Hardy from the 15-day DL. He was sent outright to the Toledo Mud Hens two days later. He signed a new minor league contract for the 2017 season in November 2016. He elected free agency on November 6, 2017.
