Cassini and Compton are University of Georgia teammates, Cassini from Athens, Ga., and Compton from Miami, Fl. Glover, of Greenville, S.C., is a former Clemson University player.
In addition, Greg Puga, Jerry Courville and Chez Reavie were named first, second and third alternates, respectively.
The group joins James Driscoll, David Eger, Danny Green, John Harris, Bryce Molder, Jeff Quinney and D.J. Trahan as members of the U.S. squad.