NatWest Pro40 D1, Old Trafford: Lancashire 256-7 (40 overs) beat Glamorgan 147 (31.1 overs) by 109 runsLancashire celebrated the return of James Anderson and the confirmation of their Pro40 Division One status with victory over Glamorgan.
Nathan Astle's 78, along with two wickets for Anderson, made sure the 109-run victory was never in doubt.
The Dragons now face a relegation play-off against Hampshire next Sunday.
Astle led the Lightning to a daunting 256-7 and Anderson announced his comeback with the wicket of Robert Croft with his 10th legitimate ball.
He finished with 2-31 off seven overs he bowled.