Cecil Fielder of Detroit, the first major leaguer in 13 years to break the 50-home run barrier, and Ryne Sandberg of the Chicago Cubs, only the third second baseman ever to hit 40 homers, top a power-laden 1990 Associated Press baseball all-star team that was announced yesterday.

The 12-man team, selected in a nationwide vote of sportswriters and broadcasters and based only on regular-season performances, was evenly divided, with six National Leaguers and six American Leaguers.

Not counting pitchers, the team averaged almost 29 home runs, ranging from Fielder's 51 to Barry Larkin's seven for the World Series-champion Cincinnati Reds.

Sandberg led the NL in home runs with 40 and was the leading vote-getter with 165, only three shy of being unanimous. He and Milwaukee Brewers designated hitter Dave Parker were the only repeaters from last year.

Five players on last year's team didn't get a vote this time -- pitchers Bret Saberhagen of Kansas City and Joe Magrane of St. Louis, catcher Mickey Tettleton of Baltimore, outfielder Ruben Sierra of Texas and third baseman Howard Johnson of the Mets.

Position..................Player, Team

Catcher...................Carlton Fisk, Chicago (AL)

First base................Cecil Fielder, Detroit

Second base...............Ryne Sandberg, Chicago (NL)

Third base................Matt Williams, San Francisco

Shortstop.................Barry Larkin, Cincinnati

Outfield..................Rickey Henderson, Oakland

..........................Barry Bonds, Pittsburgh

..........................Bobby Bonilla, Pittsburgh

Designated hitter.........Dave Parker, Milwaukee

Right-handed starter......Bob Welch, Oakland

Left-handed starter.......Frank Viola, N.Y. Mets

Relief pitcher............Bobby Thigpen, Chicago (AL)