Tribe Tops YanksFor 5-3 TriumphCLEVELAND (AP) - Frank Robinson stepped into his historic role as baseball's, fir-t black manager Tuesday withcomplete control.Robinson, a player as well as ft manager for the Cleveland Indians, put himself into the lineup, making himself even more visible and proceeded to slam a home run in his firsttnp to the plate The Indians defeated the \‘cw York Yankees. 5 3. in the season opener, making Robinson’s debut complete.Powell Stars a I Plateback-to-back singles off winncT Gaylord Perry. Chris Chambliss doubled them across the pJate and Chambliss scored on Thurman Munson’s single, making it New York 3, Cleveland 1.Powell singled in the Indians half of the second, moved to second on John Ellis's single, tothird on a fielder’s choice and!scored on Jack Brohamer’s sacrifice fly.Although Robinson couldn't explain how he felt, tihe real star on the field with two RBI’s and three runs scored—Boog Powell—made it dear what his boss is all about.“I’ve seen him hit a few of them (homers) and some of them in very crucial situ* etSons.” said Powell, who played with Robinson on the Baltimore Orioles for six years.“I can remember in the 1966 World Series against Los Angeles,” Powell continued. “The Orioles were a young ball club Chen and everybody was really excited. Robinson went to the plate and hit a home run the first time up and it took the pressure off everybody.“It’s sort of tihe same kind of thing that happened lt;Tuesday).Powell, who was acquired in ft trade from the Orioles priorIn the fourth Powel] bomcred to tie the score and his sixth inning double sent George Hendrick across the plate giving the Indians a 4-3 lead. Before he sixth inning was over Brofaamer collected his second RBI of the day driving Powell 'home.*ne «...Doc Medicb was the loser for «the Yankees going only five-| and-two thirds innings, while Perry went the distance for the Tribe, collecting has 199th career victory.Robinson said he was as surprised as everybody else whenhe hit the home run.“Everybody’s been telling me to hit a home run the first time ; to the plate, but I never thought of it/* he said. “I never realized what I had done until I touched third base and then I just said *wow/ M(Yankees Not ConcernedMost of the players in the Yankee dressing room were notvprvi if