John Lackey is attempting to cut some of his West Coast ties.

Lackey is selling his Newport Beach mansion for just a shade under $10 million, according to

The 9,100-square-foot oceanfront compound includes a guest house and is listed with an asking price of $9,999,999.

The righty bought the pad in 2010 for $8.4 million, just a few months after the signing a five-year, $82.5 million contract with the Sox.

Built in 2007, the estate has 180-degree ocean views on .57 acres of land. With five bedrooms and seven baths, the house is nestled inside Crystal Cove community.

Click here to check out the house Lackey put on the market for just under $10 million>>