Thomas attended Central Dauphin High School in Pennsylvania and became the school's all-time leading scorer. She was named to the 2010 Parade All-American First Team, and was named a unanimous 2010 ESPN and USA Today All-American. She was selected as the 2010 Pennsylvania AAAA State Player of the Year.
College career
In her freshman season, Thomas was named 2011 ACC Rookie of the Year and was selected to the All-ACC Second Team. She led her team in scoring, averaging 14.5 points per game, as well as 7.3 rebounds and 2.1 steals per game. Thomas came to national attention in her sophomore season. After leading the ACC in scoring at 17.2 points per game, she was named the 2012 ACC Player of the Year and an AP, WBCA and USBWA First Team All-American. She led the Maryland Terrapins to the 2012 ACC Championship, scoring 29 points in the championship game against Georgia Tech and earning ACC Tournament MVP honors. The Terrapins went on to the Elite Eight of the NCAA Tournament, falling to Notre Dame in their final game of the 2011-2012 season. In her junior year, Thomas became the first person in NCAA or WNBA history to average over 18 points, 10 rebounds and 5 assists for an entire season. She won ACC Player of the Year for a second time and led the injury-addled Terrapins to the Sweet Sixteen in the NCAA Tournament. Thomas capped her collegiate career by earning 2014 ACC Player of the Year for a third straight season, in addition to AP, WBCA and USBWA First-Team All America honors. She led a young Terrapins squad on a deep run through the NCAA Tournament, scoring a career-high 33 points against the Tennessee Lady Vols in the Sweet Sixteen en route to reaching the 2014 Final Four in Nashville. The Terrapins were defeated by Notre Dame in the Final Four match-up. On June 27, 2014, Thomas was named ACC Female Athlete of the Year. The University of Maryland honored Thomas's jersey in a ceremony on March 2, 2014.
Maryland statistics
Source
Year
Team
GP
Points
FG%
3P%
FT%
RPG
APG
SPG
BPG
PPG
2010-11
Maryland
31
450
48.0
-
73.0
7.3
1.6
2.1
0.2
14.5
2011-12
Maryland
35
601
46.2
25.9
80.0
8.0
3.2
1.6
0.4
17.2
2012-13
Maryland
34
640
45.2
42.9
76.5
10.3
5.3
1.8
0.8
18.8
2013-14
Maryland
35
665
51.3
24.0
79.7
10.9
4.1
1.5
0.4
19.0
Career
Maryland
135
2356
47.6
26.8
77.4
9.1
3.6
1.8
0.4
17.5
Professional career
WNBA
Thomas was drafted 4th overall by the Connecticut Sun in the 2014 WNBA draft. In her rookie season, she averaged 10.0 points and 5.1 rebounds in her with the Sun in 34 games with 28 starts. She was named to the 2014 WNBA All-Rookie Team. After her rookie season, Thomas would continue her role as starting power forward for the Sun. In 2017, Thomas would emerge as an all-star in the league. She scored a career-high 26 points in an 86-76 win over the Washington Mystics. She would then be voted into the 2017 WNBA All-Star Game, making it her first career all-star game appearance. Thomas would finish off the season setting new career-highs in scoring, rebounding, assists and steals as the Sun made the playoffs as the number 4 seed with a 21-13 record, receiving a bye to the second round, making it their first playoff appearance since 2012. In her first career playoff game, Thomas scored 20 points and grabbed 10 rebounds in an 88-83 loss to the Phoenix Mercury. In February 2018, Thomas re-signed with the Sun to a multi-year deal in free agency. On August 9, 2018, Thomas scored a season-high 22 points in a 101-92 victory over the Dallas WIngs to help the Sun clinch a playoff spot. The Sun finished 21-13 with the number 4 seed and a bye to the second round. The Sun would yet again lose to the Phoenix Mercury in the second round elimination game by a final score of 96-86.
Overseas
In 2014-2015, Thomas played in South Korea for Bucheon KEB Hana Bank. She led the league in scoring and rebounding, averaging 19 points and 11.1 rebounds per game. In 2015-2016, Thomas signed in Turkey for Yakin Dogu. In the 2016-17 offseason, Thomas signed with Yongin Samsung Blueminx of the Korean League. In 2017, Thomas resigned with Yongin Samsung Blueminx for the 2017-18 off-season. In 2018, Thomas signed with USK Praha of the Czech League for the 2018-19 off-season.