Undrafted free-agent WRs Jalen Guyton (North Texas) and Jon’Vea Johnson (Toledo), OTs Mitch Hyatt (Clemson), Brandon Knight (Indiana) and Derrick Puni (Central Missouri), OL Larry Allen Jr. (Harvard), DTs Ricky Walker (Virginia Tech) and Daniel Wise (Kansas), LBs Andrew Dowell (Michigan State), Luke Gifford (Nebraska), Nate Hall (Northwestern) and Justin Phillips (Oklahoma State) agreed to terms on undisclosed contracts with the Dallas Cowboys on Tuesday, April 30.