Unknown Chargers UDFA is quietly becoming a must-watch player

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. But Jim Harbaugh, who certainly knows a thing or two about the Big Ten, clearly saw something in Kaltenberger and got the Chargers' front office to bring him in on a three-year, $2.968 million deal, which is nothing to sneeze at for an undrafted player. Adding a center made plenty of sense, as one of the team's biggest concerns heading into camp was on the interior offensive line, more sp