Tarvarius Moore made his big move in Week 15

Cary Edmondson-USA TODAY SportsThe big story of this Niners season — as it should be, for a rebuilding team — is the rapid development of several promising young players, such as Nick Mullens, D. J. Reed, Dante Pettis, Fred Warner, Mike McGlinchey and Marcell Harris.

The latest player to emerge — and maybe one of the most important — is converted cornerback Tarvarius Moore, aka Tarvariusaurus Rex. He was a teammate of Mullens at Southern Mississippi, having grown up in tiny Quitman, MS (a town of 2,323 people hard on the state’s eastern border with Alabama).

Moore played safety in college and — perhaps more than Ahkello Witherspoon — has absorbed knowledge from teammate (and future coach)…