tight end C.J. Fiedorowicz may see his career end early due to repeated concu sions.According to a report from ESPN.com, Fiedorowicz -- who has sustained at least four concu sions during the last two years, including three this season -- could be at the age of 26. Sandy Koufax Jersey Now, either by his choice or that of the Texans' doctors, Fiedorowicz might not be able to play again, sources said. He will have to pa s a team physical, and there are no a surances at this point that he can do that Trea Turner Jersey . If he can't, his career could be over.There was concern that Fiedorowicz could be forced into an early retirement even before he left last Sunday's lo s to the with a concu sion. When the Texans awarded him a three-year, $21.5 million contract extension last summer that included $10 million guaranteed, they included a de-escalator that would bring down his base salary by $2.8 million if he were to be Zach McKinstry Jersey cut as a result of a pre-existing condition such as a concu sion.The Texans drafted Fiedorowicz in the third round back in 2014 and over the course of several seasons, he emerged as the team's starter and one of its top pa sing game targets Cody Bellinger Jersey . He mi sed one game due to a concu sion in 2016 and was limited to just five games this season due to his repeated head injuries. Fiedorowicz would of course not be the first player to retire because of concu sion concerns. Former 49ers linebacker Chris Borland after just one season largely due to concerns about po sible head injuries, Hu sain Abdullah seasons, and older players as far back as Troy Aikman and Steve Young suffered repeated concu sions during their playing careers as Don Sutton Jersey well.