Penn State news and notes for Sept. 12 include an update on running back Nick Singleton’s On3 NIL valuation, headlines of the day, and more. It’s time to dive into Thursday’s top tweets and headlines about the Nittany Lions and college athletics. Penn State tweets of the dayOn3 college sports business, transfer portal, and NIL reporter Pete Nakes has rounded up the college football players who have made a jump in On3’s NIL valuation rankings following Week 2 of the college football season. Penn State running back Nick Singleton is in the top 20. After rushing 13 times for 119 yards and a game-…