Pineda was 9-8 with a 3.62 ERA for the Minnesota Twins last season. The 33-year-old right-hander went 5-0 with a 1.85 ERA in his final five games, leading the majors in wins in September.
The Tigers were 77-85 last season under new manager AJ Hinch, playing over .500 after May 7. It was a big improvement after four straight years with winning percentages under .400.
Once the season ended, the Tigers got busy.
Before the Major League Baseball lockout began, Detroit signed a pair of coveted free agents, star shortstop Javier Baez and lefty starter Eduardo Rodriguez, to long-term contracts and traded for catcher Tucker Barnhart from the Cincinnati Reds.
Earlier this week, with spring camps open after a labor deal between players and owners, lefty Andrew Chafin and the Tigers finalized a two-year, $13 million contract, giving Detroit one of the top free-agent relievers. The 31-year-old had a combined 1.83 ERA with five saves in 71 games for the Chicago Cubs and Oakland Athletics last season.
Known for his good control, Pineda threw 69% of his pitches for strikes last year, the fourth-best rate in the majors among those with at least 100 innings.