A fluid pathway connection assembly (300, 1300, 2300) for use with a drug container (50, 1050, 2050) in a drug delivery pump, the drug container (50, 1050, 2050) including a barrel (58, 1058, 2058), a cap (324, 1324, 2324) and a pierceable seal (326, 1326, 2326), the fluid pathway connection assembly (300, 1300, 2300) including an unactuated configuration, an actuated configuration, and a delivery configuration, the fluid pathway connection assembly (300, 1300, 2300) comprising: a connection hub (312, 1312, 2312) including an aperture (312B, 1312B, 2312B), a first film (318, 1318, 2318) sealed along the aperture (312B, 1312B, 2312B), the connection hub (312, 1312, 2312) including a sterile cavity (312A, 1312A, 2312A) sealed by the first film (318, 1318, 2318), an introducer member (320, 1320, 2320) at least partially disposed within the sterile cavity (312A, 1312A, 2312A) in the unactuated configuration, a piercing member (316, 1316, 2316) configured to telescope from the introducer member (320, 1320, 2320), the piercing member (316, 1316, 2316) including a piercing tip at least partially disposed within the introducer member (320, 1320, 2320) in the unactuated configuration, a piercing member retainer (314, 1314, 2314) connected to the piercing member (316, 1316, 2316), the introducer member (320, 1320, 2320) being configured to move relative to the connection hub (312, 1312, 2312) from the unactuated configuration to the actuated configuration, and the piercing member (316, 1316, 2316) being configured to telescope from the introducer member (320, 1320, 2320) to move from the unactuated configuration to the delivery configuration in which the piercing tip is not disposed within the introducer member (320, 1320, 2320), the piercing member (316, 1316, 2316) being adapted to pierce the pierceable seal (326, 1326, 2326) in the delivery configuration, the piercing member (316, 1316, 2316) providing a fluid pathway through the pierceable seal (326, 1326, 2326) in the delivery configuration, characterized in that the introducer member (320, 1320, 2320) pierces the first film (318, 1318, 2318) in the actuated configuration. a connection hub (312, 1312, 2312) including an aperture (312B, 1312B, 2312B), a first film (318, 1318, 2318) sealed along the aperture (312B, 1312B, 2312B), the connection hub (312, 1312, 2312) including a sterile cavity (312A, 1312A, 2312A) sealed by the first film (318, 1318, 2318), an introducer member (320, 1320, 2320) at least partially disposed within the sterile cavity (312A, 1312A, 2312A) in the unactuated configuration, a piercing member (316, 1316, 2316) configured to telescope from the introducer member (320, 1320, 2320), the piercing member (316, 1316, 2316) including a piercing tip at least partially disposed within the introducer member (320, 1320, 2320) in the unactuated configuration, a piercing member retainer (314, 1314, 2314) connected to the piercing member (316, 1316, 2316), the introducer member (320, 1320, 2320) being configured to move relative to the connection hub (312, 1312, 2312) from the unactuated configuration to the actuated configuration, and the piercing member (316, 1316, 2316) being configured to telescope from the introducer member (320, 1320, 2320) to move from the unactuated configuration to the delivery configuration in which the piercing tip is not disposed within the introducer member (320, 1320, 2320), the piercing member (316, 1316, 2316) being adapted to pierce the pierceable seal (326, 1326, 2326) in the delivery configuration, the piercing member (316, 1316, 2316) providing a fluid pathway through the pierceable seal (326, 1326, 2326) in the delivery configuration, characterized in that the introducer member (320, 1320, 2320) pierces the first film (318, 1318, 2318) in the actuated configuration.