On 11 December 2016, Scarr scored five goals in an 8–3 win against Nottingham Forest.[9] On 24 January 2018, following a third round 4–3 comeback against Liverpool Feds, she was named the FA Cup player of the round.[10] She scored a hat-trick in a 7–1 win against Wolverhampton Wanderers on 28 January 2018,[11] and ended the 2017–18 season as Middlesbrough's top goal scorer, scoring 28 goals in all competitions.[12]
Along with teammate Tyler Dodds, Scarr was the club's joint top goal scorer for the 2018–19 season, scoring 14 goals in total.[13] In her five years playing for Middlesbrough, Scarr scored 56 goals in 85 league matches.[14]
Sunderland
On 2 July 2020, it was reported that Scarr had left Middlesbrough and that Sunderland were seeking to sign her.[15] On 18 August 2020, Sunderland announced that they had signed Scarr.[16] She won two consecutive player of the year awards for her performances during the 2022–23 and 2023–24 seasons.[17]
Personal life
In December 2021, it was reported that Scarr had recently been the victim of drink spiking.[18][19][20][21]