SAN FRANCISCO GIANTS–Signed LHP Jeremy Affeldt to a three-year contract through 2015.
WASHINGTON NATIONALS–Announced first base coach Trent Jewett with be the third base coach for the 2013 season. Named Tony Tarasco first base coach.
NFL–Fined Houston LB Tim Dobbins $30,000 for a helmet-to-helmet hit to Chicago QB Jay Cutler.
CAROLINA PANTHERS–Signed G Jeremy Bridges. Placed DE Thomas Keiser on injured reserve.
KANSAS CITY CHIEFS–Signed TE DeMarco Cosby to the practice squad.
NEW YORK JETS–Signed RB Kahlil Bell.
OAKLAND RAIDERS–Signed LB Omar Gaither. Placed LB Travis Goethel on injured reserve.
SEATTLE SEAHAWKS–Released WR Phil Bates from the practice squad. Placed WR Lavasier Tuinei to the practice squad.
ST. LOUIS RAMS–Released DT Kellen Heard.
TAMPA BAY BUCCANEERS–Promoted DE Markus White from the practice squad. Signed LB Joe Holland to the practice squad.
CFL–Fined Calgary SB Nik Lewis an undisclosed amount for violating the league’s social media policy.
ALBANY DEVILS–Reassigned LW Harry Young to Kalamazoo (ECHL).
HAMILTON BULLDOGS–Signed G Scott Darling to a PTO contract.
PROVIDENCE BRUINS–Recalled F Alden Hirschfeld from South Carolina (ECHL).
EDMONTON RUSH–Acquired T Jeremy Thompson from Buffalo for F Aaron Wilson and a 2013 second-round draft pick.