Arizona signs draft picks Johnson, Christian

TEMPE, Ariz. (AP) The Arizona Cardinals have signed two more draft picks - running back David Johnson and tight end Gerald Christian.

Johnson was a third-round pick out of Northern Iowa. Christian was drafted in the seventh round out of Louisville, the final player selected in the draft as the so-called ''Mr. Irrelevant.''

Six of the Cardinals' seven draft picks have signed contracts. The lone remaining unsigned is first-round pick D.J. Humphries.