The Pittsburgh Steelers have hosted 16 draft prospects and there’s been a heavy emphasis on linebackers and players in the secondary. 11 of the 16 visits have been defensive players. Here’s the updated list: Texas A&M RB Christine Michael, Ohio St. OLB John Simon, Florida State ILB Vince Williams, Georgia OLB Jarvis Jones, S. Miss OLB Jamie Collins, Rutgers LB Khaseem Greene,  Clemson S Jonathan Meeks, Fresno State Safety Phillip Thomas, Penn State ILB Michael Mauti, Clemson LB Malliciah Goodman, UCLA RB Johnathan Franklin, TCU WR Josh Boyce, Syracuse SS Shamarko Thomas; Utah State CB Will Davis; San Diego State OT Nic Embernete, Florida State CB Xavier Rhodes