Complex sentence: Wilt Chamberlain led the NBA all-time in rebounds statistically, and was considered the best rebounder of all-time, but many debate this, as he played in an era in which players took more shot attempts than basketball players today.
Split into simpler sentences: Wilt Chamberlain led the NBA all-time in rebounds statistically, and thus is considered by some to be the best rebounder of all-time. Others debate this, as Chamberlain played in an era in which players took more shot attempts than basketball players today.