Henry Zimmerman, a junior at Nebraska, won the men's weight throw with a lifetime-best 75-2 (22.91m) effort in the third round at the Tyson Invitational at Randal Tyson Track Center in Fayetteville, Ark. Zimmerman, one of four collegiate competitors this season to surpass the 75-foot mark, improved from a 75-1.25 (22.89m) performance Feb. 2 at the Frank Sevigne Husker Invitational in Lincoln, Neb.