TEMPE, Ariz. (AP) — The Arizona Cardinals have signed three of their top four draft picks to four-year contracts.

The team announced the deals with its second-round pick, tight end Troy Niklas of Notre Dame, and its two third-round selections — defensive end Kareem Martin of North Carolina and wide receiver John Brown of Pittsburg State.

All the salaries are slotted for draft picks by the NFL.

Niklas was the 52nd player drafted overall, Martin the 84th and Brown the 91st.

Copyright 2014 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.