Kyle Lowry delivered on his final promise as a player: He long vowed to re-sign with the Toronto Raptors so he could retire as a member of that franchise.And on Tuesday, he made it happen.Lowry — one of 12 players in NBA history to play 20 seasons in the league — announced on social media that he is signing with the Raptors and will retire, ending his career with the team that he helped lead to the 2019 NBA championship and in the city that he considers home.It’s a ceremonial one-day contract, and Lowry confirmed that plan before a scheduled news conference in Toronto later Tuesday. The date of the announcement — July 7, or 7/7 — is a clear nod to the No. 7 jersey he wore with the Raptors.“Thank you to my family, my friends, my teammates, my coaches, my opponents, the staff, the media and especially the fans,” Lowry said. “It’s all about you. I appreciate you. Thank you. Thank you, Toronto. Thank you, Canada. And as I always told y’all, it’s officially happening. I’m retiring as a Toronto Raptor — 20 years and one day.”Tributes immediately starting pouring in after Lowry posted the video, many paying homage to the player who …