The Orioles and left-hander Mark Hendrickson have agreed to a one-year, $1.4 million contract. He went 6-5 with a 4.37 ERA in 53 games with Baltimore last year. He was most effective in relief, going 4-0 with a 3.44 ERA. The 35-year-old will receive $1.2 million this year, and the contract includes a club option for 2011 for $1.2 million with a $200,000 buyout.