<P> Callie Torres is introduced as an orthopedic surgery resident with a crush on intern George O'Malley ( T.R. Knight ) . The two start a relationship and Torres moves into Meredith 's house ( Meredith and Izzie Stevens lived there as well ) . Uneased at the way their relationship is progressing , O'Malley confronts her , which results in her moving into a hotel . In the aftermath of the breakup , she meets and has a one - night stand with plastic surgeon Mark Sloan ( Eric Dane ) , who becomes her friend . Torres and O'Malley subsequently reconcile , and the two marry in Las Vegas on the spur of the moment . Confused , O'Malley confides to fellow intern Izzie Stevens ( Katherine Heigl ) , about his relationship woes over alcohol , leading to a drunken sexual encounter between the two . Torres remains unaware of his sexual encounter , but becomes increasingly suspicious , and announces her desire to conceive a child . Shortly thereafter , however , she discovers that O'Malley has been unfaithful , ending their marriage . Though her personal life is troubled , Torres thrives professionally when she is appointed as the hospital 's Chief Resident . However , she soon begins struggling to cope in the role , and is demoted soon thereafter . </P>
<P> Callie Torres is introduced as an orthopedic surgery resident with a crush on intern George O'Malley ( T.R. Knight ) . The two start a relationship and Torres moves into Meredith 's house ( Meredith and Izzie Stevens lived there as well ) . Uneased at the way their relationship is progressing , O'Malley confronts her , which results in her moving into a hotel . In the aftermath of the breakup , she meets and has a one - night stand with plastic surgeon Mark Sloan ( Eric Dane ) , who becomes her friend . Torres and O'Malley subsequently reconcile , and the two marry in Las Vegas on the spur of the moment . Confused , O'Malley confides to fellow intern Izzie Stevens ( Katherine Heigl ) , about his relationship woes over alcohol , leading to a drunken sexual encounter between the two . Torres remains unaware of his sexual encounter , but becomes increasingly suspicious , and announces her desire to conceive a child . Shortly thereafter , however , she discovers that O'Malley has been unfaithful , ending their marriage . Though her personal life is troubled , Torres thrives professionally when she is appointed as the hospital 's Chief Resident . However , she soon begins struggling to cope in the role , and is demoted soon thereafter . </P>
who does callie marry in grey 's anatomy
who does callie marry in grey 's anatomy
George O'Malley
George O'Malley