The Blue Jays have finalized a $4 million, one-year contract with left-hander Darren Oliver.
The deal, agreed to last month, includes a $3 million team option for 2013.
The 41-year-old spent the last two seasons with the AL champion Rangers, going 5-5 with two saves and a 2.29 ERA in 51 innings last year.
Blue Jays, Oliver Finalize $4M Contract