Not corner the "DFA'd 33 year old reliever" market and call it "done and done?"
In reality, they've been a little unlucky. But it does show the preposterousness* of ever assuming there's a log jam of talent, or someone is "blocked" in AAA.
They traded for Michael Tonkin for the specific purpose of getting 2 innings in an April game in Detroit. DfA'd before the box score was printed.
*possibly not actually a word, but it sure as heck should be