The American League is expected to decide by today whether to force the Kansas City Royals and New York Yankees to complete their suspended "pine tar" game before the end of the regular season. Bob Fishel, an assistant to league President Lee MacPhail said the fact that both teams are contenders for division titles is a major consideration. Meanwhile, Yankee Manager Billy Martin, scheduled to start a two-game suspension Tuesday, said he will announce his intentions on a possible appeal five hours before his team is to meet the Toronto Blue Jays. And outfielder Dave Winfield, who was arrested last week after a ball he threw struck and killed a sea gull in Toronto, received an apology from Metro Toronto Chairman Paul V. Godfrey. Charges were dropped after the incident, which Winfield said was an accident . . .

Gene Autry, owner of the California Angels, filed suit seeking to block construction of an office complex planned for the Anaheim Stadium parking lot as part of the Los Angeles Rams' deal with the city of Anaheim, his attorneys said. Autry's suit contends construction of four high-rise office buildings would damage baseball business at the stadium. He is seeking damages and also to be released from his contract with the city, under which he is to remain in Anaheim through 2001.

An attorney for Atlanta Braves owner Ted Turner said Turner is suing NBC-TV for financial rights to local broadcast of the National League playoffs if the Braves are in them. Robert Webb Jr. said the suit would not result in games being shown to all cable subscribers of Turner's "Superstation."