AMERICAN FOOTBALL CONFERENCE

INDIANAPOLIS — Practice-squad addition: TE Isaac Smolko.

MIAMI — Roster additions for 2010: WR Ryan Grice-Mullen; DE Brian Johnston.

NEW ENGLAND — Reserve/injured: WR Wes Welker (knee). Roster addition: LB Thomas Williams (from Patriots practice squad). Practice-squad additions: WR Nick Moore; WR Robert Ortiz. Practice-squad; injured: WR Darnell Jenkins.

N.Y. JETS — Roster additions for 2010: LB Ezra Butler; P T.J. Conley; LB Joshua Mauga; WR Larry Taylor.

SAN DIEGO — Reserve/injured: LB James Holt (shoulder). Roster addition: LB Dontarrious Thomas (not tendered as UFA by Vikings 6/2).

NATIONAL FOOTBALL CONFERENCE

DETROIT — Roster addition for 2010: OT Kirk Barton.

N.Y. GIANTS — Roster additions for 2010: LB Jerome Johnson; PK Sam Swank.