Additions
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 07/2018 |  | Carlin Hudson | MF | |||
| 07/2018 | | Heather O'Reilly | FW |  | Arsenal WFC | Arsenal WFC |
| 03/2018 | | Makenzy Robbe | MF |  | Adelaide United | Adelaide United |
| 02/2018 | | Crystal Dunn | DF |  | Chelsea FC Women | Chelsea FCW |
| 01/2018 |  | Allysha Chapman | DF |  | Boston Breakers | Boston Breakers |
| 01/2018 | | Michele Dalton | GK |  | Chicago Red Stars | Chicago |
| 01/2018 | | Julie King | DF | | Boston Breakers | Boston Breakers |
| 01/2018 | | Kaleigh Kurtz | DF |  | Östersunds DFF | Östersunds DFF |
| 01/2018 | | Merritt Mathias | DF |  | Seattle Reign | Seattle Reign |
| 01/2018 | | Morgan Reid | DF | |||
| 01/2018 | | Ryan Williams | DF |  | TCU Horned Frogs | Horned Frogs |
| 01/2018 | | Julia Aronov | MF | |||
| 01/2018 | | Jessica McDonald | MF | |||
| 01/2018 | | Cari Roccaro | MF |  | Houston Dash | Houston Dash |
| 01/2018 | | Sarah Teegarden | MF | |||
| 01/2018 | | Frannie Crouse | FW |  | Penn State Nittany Lions | Penn State |
Departures
| from | Name | Pos | Team | Team | ||
|---|---|---|---|---|---|---|
| 10/2018 |  | Denise O’Sullivan | MF |  | Canberra United | Canberra United |
| 07/2018 | | Michele Dalton | GK |  | Apollon Limassol | Apollon |
| 06/2018 | | Makenzy Robbe | MF |  | Utah Royals FC | Utah |
| 05/2018 | | Allysha Chapman | DF | | Houston Dash | Houston Dash |
| 01/2018 | | Samantha Witteman | MF |  | PSV Eindhoven | PSV Eindhoven |
| 01/2018 | | Taylor Smith | DF |  | Washington Spirit | Washington |