After years of steady decline, Bible engagement in the United States has ticked upward for the first time in four years, driven largely by a surprising demographic: younger men.

During his time suiting up for the Celtics, Tsioropoulos wore only jersey Nos. 29 and 20 and put up 5.8 points, 4.8 rebounds, and 1.1 assists per game.

Scripture reading and study has been a major emphasis of Latter-day Saint leaders for more than half a century, with one major landmark the 1986 conference talks of the church’s new president, Ezra ...