Jackson is set to join a rotation alongside Justin Verlander, Armando Galarraga and Jeremy Bonderman, who had surgery in late June to correct a condition that caused a blood clot in his pitching arm.
Detroit general manager Dave Dombrowski has filled two of the Tigers' biggest offseason needs after trading for catcher Gerald Laird on Monday from the Rangers in a swap that sent right-handed pitching prospects Guillermo Moscoso and Carlos Melo to Texas.
Jackson went 14-11 with a 4.42 ERA in 31 starts and 32 appearances for the AL champion Rays this season, pitching a career-best 183 1-3 innings. He spent three seasons with Tampa Bay following three for the Los Angeles Dodgers.
The Tigers also were working to complete a one-year contract worth about $1 million for shortstop Adam Everett after he worked out for the team last week.
Everett batted just .213 with two home runs and 20 RBIs in 48 games for the Minnesota Twins last season, limited by a shoulder injury. He appeared in only 66 games the previous year for Houston, but the Tigers believe Everett will be a reliable option at shortstop.
The addition of the 31-year-old Everett would help settle some instability manager Jim Leyland faced in the infield this season. With Everett, Brandon Inge can return full-time to his natural spot at third base after catching 60 games in 2008, playing 51 at third and 15 in the outfield, including 13 in center.
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