It goes without saying, but the vast majority of undrafted rookies typically don't get a ton of attention during NFL training camps, as most have little to no shot of making a 53-man roster.
But Los Angeles Chargers rookie center Josh Kaltenberger has turned a few heads recently, and given the issues facing the Bolts' offensive line right now, his role on this football team could end up being a crucial one.
Now, outside of those who watch a lot of Big Ten football, Kaltenberger, who played three seasons at Purdue before finishing up his collegiate career at Maryland, obviously isn't the most well-known player on the planet.