According to John Lowe of the Detroit Free Press, the Tigers designated reliever Juan Rincon for assignment to make room for Dontrelle Willis. Rincon, 30, posted a 5.23 ERA in 10.3 innings for the Tigers this year. The Tigers had signed Rincon to a minor league deal back on January 20th.
Willis made four minor league starts at various levels, posting a 3.86 ERA and 3.16 BB/9. Under the contract extension signed in December of '07, Willis will earn $10MM this year and $12MM in '10.