The move was retroactive to Sunday, and the Tigers recalled outfielder Avisail Garcia from Triple-A Toledo.
Jackson's absence hurts the Tigers at the top of their batting order and defensively. He is hitting .272 with two homers.
Right-hander Jake Westbrook was placed on the 15-day disabled list by the St. Louis Cardinals with right elbow inflammation.
The move was retroactive to May 9. The Cardinals called up left-hander John Gast from Class AAA Memphis.
Westbrook was 2-1 with a 1.62 ERA in seven starts this year.
The Chicago Cubs reached agreement with first baseman Anthony Rizzo on a seven-year, $41 million contract.
The deal runs through the 2019 season and includes two club options that could extend the deal through 2021 and raise the total value to $70 million.
Escalators could further increase the deal to $73 million, according to multiple reports.
Boston Red Sox outfielder Shane Victorino was cleared to return to the lineup Tuesday after undergoing an examination at Massachusetts General Hospital.
There was no definitive verdict on whether he will be in the lineup at the outset of the team's road trip Tuesday in St. Petersburg against the Tampa Bay Rays. Victorino was taken to the hospital after running into the wall while trying to catch a fly ball on Sunday.
The New York Mets agreed to a contract with free agent outfielder Rick Ankiel, CBS Sports reported.
Ankiel was recently released by the Houston Astros after hitting just .194 with five homers in 25 games.
The New York Yankees demoted outfielder Brennan Boesch to Class AAA Scranton/Wilkes-Barre possibly signaling the return of outfielder Curtis Granderson from the disabled list.
Boesch, who signed a one-year, $1.5 million deal with the Yankees prior to the start of the season, is batting just .205 with two home runs in 19 games.
The Cleveland Indians announced they selected the contract of left-hander David Huff from Class AAA Columbus, recalled righty Trevor Bauer from Columbus and optioned infielder Lonnie Chisenhall to their Class AAA affiliate.
Baltimore Orioles pitcher Wei-Yin Chen is expected to be placed on the disabled list after injuring his oblique on Sunday, CSNBaltimore.com reported.
Houston Astros president and CEO George Postolos resigned, the team announced.
Postolos served in that capacity since November of 2011 and played a significant role in Jim Crane's purchase of the team from former owner Drayton McLane.
Postolos plans to return to his consulting practice.