Three homers lead Royals past Braves United Press International Kansas City's George Brett. Willie Aikens and Pete LaCock knocked in seven runs with homers Monday as the Royals defeated the Atlanta Braves 9-- 2 in exhibition at West Palm Beach, Fla. Brett delivered a solo homer in the fourth, Aikens connected with two on in the fifth and LaCock added a three-ru- n homer in the sixth. All three home runs were hit off Braves starter Doyle Alex- ander, winless in three starts. Brett added a -scori- ng in the fifth as he enjoyed a three-h-it game. Dennis Leonard got credit for the victory as he held the Braves to one run on five hits in seven innings. Alex- ander was touched for eight runs and 13 of Kansas City's 14 hits in six in- nings. The Royals, now 13--8 for the spring, wifl play "Baltimore today at Fort My- ers. 6, ST. LOUIS 1 at Bradenton Fla. drove in five runs with two home runs and a as the Pirates defeated the Car- dinals in a baseball exhibition game. Farker bit both home runs against St. Louis starter Bob Sykes. The first was a three-ru- n shot in the third, the second a two-ru- n homer in the fifth. had three singles as the Pi- rates raised their record to 9-- 9. Garry Templeton homered against Pirates' starter in the top of the fourth for the Cards' only run. Rooker pitched six innings, giving up four hits. The Cardinals, now 10--8 for the exhi-- j bra'on season, will meet Toronto today