[SNS]Brendan Rodgers says it is "incredible" that there is now an "expectation" on Celtic to win domestic trebles.Victory over Aberdeen in the Scottish Cup final this month would complete Celtic's sixth clean sweep in nine years.Rodgers, who began the club's unprecedented period of domination with an 'invincible treble' in 2017, told Celtic TV: "When I came in 2016, the treble wasn't mentioned so much. It was just not the thing that happened."But now the players have had success from that moment