BALTIMORE ORIOLES–Optioned RHP Jake Arrieta to Norfolk (IL). Designated RHP Alex Burnett for assignment. Promoted RHP Kevin Gausman from Bowie (EL).
KANSAS CITY ROYALS–Optioned RHP Kelvin Herrera to Omaha (PCL). Recalled RHP Luis Coleman from Omaha.
TEXAS RANGERS–Placed RHP Derek Lowe on waivers for the purpose of giving him his unconditional release. Signed INF-OF Mark Teahen to a minor league contract.
ARIZONA CARDINALS–Signed S Tyrann Mathieu to a four-year contract.
CAROLINA PANTHERS–Signed LB A.J. Klein, RB Kenjon Barner, DT Star Lotulelei and G Edmund Kugbila. Claimed LB Ryan Rau off waivers from Cleveland. Waived-injured TE Logan Brock.
CINCINNATI BENGALS–Signed RB Giovani Bernard.
KANSAS CITY CHIEFS–Signed S Sanders Commings.
NEW YORK GIANTS–Re-signed WR Ramses Barden.
SEATTLE SEAHAWKS–Signed WR Justin Veltung.
TAMPA BAY BUCCANEERS–Signed CB Johnthan Banks to a four-year contract.
COLORADO AVALANCHE–Named Patrick Roy coach and vice-president of hockey operations.
ELON–Announced it was joining the Colonial Athletic Association for the 2014-15 season.