Baseball Los Angeles Dodgers -- Hired Mickey Hatcher, released by club March 24, to be non-playing coach for Class AAA Albuquerque.

Basketball Dallas Mavericks -- Announced they will not exercise option on contract of F Alex English.

Miami Heat -- Announced resignation of Ron Rothstein, head coach.

Pensacola Tornadoes (CBA) -- Announced team will move from Florida to Birmingham, Ala., for 1991-92 season.

Colleges Clemson -- Announced that F Devin Gray (St. Francis, Baltimore) has signed basketball letter of intent.

Coppin State -- Announced that G Sidney Goodman and F Steven Rogers, both of Woodrow Wilson High in Camden, N.J., have signed basketball letters-of-intent.

Maryland -- Announced that F John Walsh of Islip, N.Y., has signed basketball letter of intent.

Virginia Tech -- Named Bobby Hussey assistant basketball coach.

Football Cleveland Browns -- Announced retirement of DE Al Baker.

Kansas City Chiefs -- Signed DB Greg Boysaw.

Pittsburgh Steelers -- Signed G Ricky Byrd.