ORCHARD PARK, N.Y.-Tuesday the University at Buffalo's pro day attracted a huge crowd at the Buffalo Bills Fieldhouse.
All 32 NFL franchises were represented along with a number of CFL franchises.
The big draw was UB's Khalil Mack who is expected to be taken in the first round of the NFL Draft this May. At least one draft expert, Mark Mayock has said he would take Mack number one overall.
16 draft eligible players worked out for scouts, general managers, head coaches and other front office personnel.
Among those participating in the pro day along with Mack, included Brandon Oliver, Alex Neutz, Free Lee, Colby Way among others.
Mack ran a faster 40 than he did at the recent NFL combine in Indianapolis.Mack didn't participate in every drill, he did run the 40-yard dash and improved his time dramatically from the NFL Combine. One scout clocked him at a 4.45.