Early years Sinclair represented
John Paul College in national secondary schools tournaments. Her school coaches included
Coral Palmer, a former a
New Zealand netball international. She also represented Bay of Plenty in the Lois Muir Challenge tournament.
Waikato Bay of Plenty Magic Between
2014 and
2022, Winders made 123 senior appearances for
Waikato Bay of Plenty Magic, initially in the
ANZ Championship and later in the
ANZ Premiership. As Samantha Sinclair, she first attracted the attention of Magic while still attending
John Paul College. She began training with Magic in 2011. She attended trials for the
2013 season but was not offered a contract until the 2014 season. In both 2013 and 2014, she was a member of the Waikato Bay of Plenty teams that won
Netball New Zealand's national under-23 tournament. She made her senior debut for Magic on 1 March 2014 in a
Round 1 70–46 win against
Mainland Tactix, coming on at centre to replace
Courtney Tairi for the fourth quarter. In
2015 and
2016, she was a member of the Magic teams that won the
New Zealand Conference. Between 2020 and 2022, Winders served as Magic captain. On 30 May
2021, Winders made her 100th senior league appearance in a match against
Central Pulse.
Southern Steel In July 2022, it was announced that Winders would be joining
Southern Steel for the
2023 ANZ Premiership season.
New Zealand Between 2011 and 2013, Sinclair represented New Zealand at schoolgirl level, playing in three Trans-Tasman Secondary Schools Netball Tournaments. In 2013, together with
Jamie-Lee Price, she co-captained the New Zealand team that won the tournament. In June 2015, Sinclair was called up for trials for the senior
New Zealand team. In November 2016 she was included in the senior New Zealand for the first time. She went on to represent New Zealand at the
2018 Commonwealth Games. After missing out on several tournaments, including the
2019 Netball World Cup, Sinclair, now Winders, was recalled for the
2020 Taini Jamison Trophy Series. She was a prominent member of the New Zealand team that won the
2021 Constellation Cup. On 24 September 2021, Winders captained New Zealand for the third test against
England during the
2021 Taini Jamison Trophy Series. She was subsequently named the 2021 Silver Fern Player of the Year. However, she was left out of the team for the
2022 Commonwealth Games ==Honours==