Jaden Springer is still just 19 years old, so the Sixers will likely remain patient with the 2021 first-rounder — unless he makes serious strides. Over the next few weeks, we’ll be profiling every player currently on the Sixers’ roster ahead of training camp, which begins on September 28. Jaden Springer Age: 19 Contract-status: $2.1 million for 2022-23; team options for the 2023-2024 and 2024-2025 Springer is 19 years of age, yet mystery continues to surround him. He’s coming off a rollercoaster of a Summer League where most expected him to shine. He had his moments, most notably on the…