Returning for her second stint with the club, Williamson was reacquired in the offseason via a trade with the Western New York Flash. She originally joined Thorns FC as the club’s first ever draft pick, selected eighth overall in the NWSL College Draft on Jan. 18, 2013.
2015: One of two players to start and play in all 20 regular-season matches ... Named Thorns FC Defender of the Year ... Served as team captain ... Committed just four fouls in 1,705 minutes ... Started her 40th career game for Portland, and her 60th NWSL match, on Aug. 22, which ranks fourth all-time in Thorns FC history ... Appeared in her 35th career match for Thorns FC against Seattle on July 26 ... Started and played in her 50th career NWSL match on June 6 at Houston ... Started and played 45 minutes, helping Thorns FC keep a clean sheet in a 1-0 win against Western New York on April 18 ... Tallied her first career NWSL and point on midfielder Sinead Farrelly’s opening goal against Boston in the 21st minute.
2014: Appeared in 21 matches (20 starts) during the 2014 regular season for the Western New York Flash ... Trade to the Western New York Flash ahead of the season as part of a move to acquire midfielder Vero Boquete.
2013: One of three players to start all 22 regular-season matches in 2013 ... Finished the regular-season ranked second on the team in minutes played (1,944), the most of any rookie on the roster ... Started both of the team's NWSL playoff games ... Was issued a red card in the 56th minute of the NWSL championship match, becoming the first Thorns FC player ever to be ejected from a match ... Played 800 consecutive minutes at center back without committing a foul from April 21-June 6.
2011: Attended a week-long training camp with the U-23 Women’s National Team in January at The Home Depot Center in Carson, Calif.
A center back for the University of Florida, Williamson made 81 appearances (80 starts) during a four-year career with the Gators … Senior season was interrupted by a torn meniscus after the first five matches … Returned late in the season to help Florida reach the Sweet Sixteen round of the NCAA Tournament.
Graduated with a bachelor’s degree in psychology in December 2012.