Moves

Baseball

ASTROS -- Named Bobby Heck director of amateur scouting.

NATIONALS -- Purchased contracts of P Garrett Mock, P Justin Jones, 1B Josh Whitesell and OF Roger Bernadina from Triple-A Columbus.

ORIOLES -- Fired Andy Etchebarren, manager of Single-A Aberdeen; Doc Watson, minor league pitching coordinator; Tom Lawless, roving infield and base-running instructor; and Bien Figueroa, manager of Double-A Bowie.

BASKETBALL

BOBCATS -- Waived C Jameel Watkins and G C.J. Watson.

HEAT -- Acquired G Ricky Davis and C Mark Blount from Timberwolves for F Antoine Walker, F Wayne Simien, C Michael Doleac and a conditional first-round draft pick.

SPURS -- Waived G Keith Langford and F-C Kris Lang.

COLLEGE

VILLANOVA -- Announced resignation of Mary Beth Snell, women's assistant basketball coach. Named Trish Juhline interim women's assistant basketball coach.

FOOTBALL

BROWNS -- Placed former Ravens CB Gary Baxter on IR. Signed DB Nick Sorensen.

DOLPHINS -- Signed S Lance Schulters. Placed RB Ronnie Brown on IR.

RAVENS -- Re-signed K Rhys Lloyd and RB Cory Ross. Waived TE Lee Vickers and OT Mike Kracalik; re-signed them to practice squad.