Former Houston Astros general manager Jeff Luhnow has filed a breach of contract lawsuit against the team, seeking more than $22 million in salary owed under his deal when he was fired in January.The suit, filed Monday in Harris County District Court in Houston, claims Luhnow was unaware a camera was used to steal signs during the team’s run to the 2017 World Series title, which baseball Commissioner Rob Manfred found violated baseball rules against electronics.Luhnow and manager AJ Hinch were suspended for the season last Jan.