Tuesday was a big day for the Dallas Cowboys as they took on the Los Angeles Rams in a joint practice. With the practice behind them, let's identify four Cowboys who are climbing up the depth chart. Dee Winters, LBDallas Cowboys linebacker Dee Winters goes through a drill during practice at the Ford Center at the Star Training Facility. Against the Rams, Winters showed why Dallas made the move to bring him in this offseason. Marist Liufau, EDGEDallas Cowboys linebacker Marist Liufau at training camp at River Ridge Playing Fields.