The Chicago White Sox and reliever Matt Thornton have agreed to terms on a two-year contract extension.
According to MLB.com, the deal will pay the left-hander $5.5 million during the 2012-13 seasons. He is scheduled to be paid $6 million in 2014 with a $1 million buyout.
The 34-year-old was a first-time All-Star in 2010 and finished the season with a 5-4 record, 2.67 earned run average and eight saves in 61 outings. He also posted 81 strikeouts and 20 walks in 60 2/3 innings.
He has a career record of 26-23 with a 3.55 ERA in 410 appearances, one as a starter, in seven seasons with the Mariners and White Sox. Thornton owns a career 436-173 strikeout-to-walk ratio in 400 1/3 innings.