Emory University senior Alex Greenhouse earned an NCAA provisional qualifying time in one event, and won another, while competing in his first outdoor track and field meet of the season, the Emory Invitational.  Greenhouse recorded a provisional qualifying with a second-place finish in the 400-meter hurdles, running a time of 53.25 seconds, the fifth-fastest in school history.  Later in the meet, he won the 200-meter dash in a time of 21.96 seconds.  Greenhouse also finished second as part of Emory’s 4x100-meter relay team, with a time of 42.85 seconds.  His performance helped the Eagles to a first-place team finish at the meet.