Baltimore Orioles -- Gave GM Roland Hemond a 2-year contract extension. Signed 3B Brad Seitzer, 11th-round draft pick and brother of Kansas City Royals 3B Kevin Seitzer.
Cincinnati Reds -- Recalled OF Chris Jones from Class AAA Nashville. Sent C Glenn Sutko (.200 in 5 AB) to Nashville.
Kansas City Royals -- Signed DH Jeffrey Leonard to a contract with Class AA Omaha.
New York Mets -- Recalled P Julio Valera from Class AAA Tidewater. Sent IF Chris Donnels (.235 in 17 AB) to Tidewater.
Seattle Mariners -- Signed OF Tommy Adams.
Toronto Blue Jays -- Activated 3B Kelly Gruber. Placed LHP Ken Dayley on the 15-day DL because of dizziness.
Detroit Pistons -- Agreed to terms with coach Chuck Daly on a contract extension through the 1991-92 season.
Colby College -- Named Carol Anne Beach women's basketball coach and Thomas Dexter baseball coach.
Navy -- Announced the signing of the following basketball recruits: F Derrick Wall (6-6, Durham, N.C.); G Mark Majick (6-4, Youngstown, Ohio); F Larry Green (6-6, Charlottesville, Va.); G Kevin Kozak (6-3 1/2 , Mount Pleasant, Pa.). F Wes Cooper (6-5, Woodbridge, Va.); G Brian Cochran (6-3, Klein, Texas); F Brig Kline (6-7, Fort Walton Beach, Fla.); F Brian Frey (6-9, Kansas City, Mo.); F Tom Burgoyne (6-5, Wheeling, W.Va.).
Oberlin -- Named Gene DeLorenzo men's basketball coach.
Buffalo Bulls -- Signed PK Bjorn Nittmo, P Chris Mohr, LB Ron Sancho and WR John Garrett.
Phoenix Cardinals -- Named Ralph Hawkins to their scouting staff. Traded S Lonnie Young to the New York Jets for an undisclosed draft pick.