The Arizona Cardinals are working out Edmonton Eskimos cornerback Aaron Grymes today, according to a league source. Grymes was a CFL All-Star this past season, intercepting four passes. He returned one for a touchdown. In three seasons with the Eskimos, Grymes has eight interceptions. Grymes, 24, played collegiately at Idaho. At Idaho, he recorded 248 career tackles, two interceptions, two forced fumbles and two fumble recoveries. Growing up in Seattle, Grymes ran the 100-meter dash in 10.8 seconds and recorded a 4.4 in the 40-yard dash. Follow me on Twitter: @AaronWilson_NFL Aaron Wilson covers the Texans for The Houston Chronicle.