Middlesex began strongly when opener Artemis Downer, who hit an unbeaten 60 once they hammered Glamorgan by 10 wickets earlier in September, impressed with a few boundaries earlier than being caught at level off Anna-Mae Shearn.
Izzy Routledge and Sproul helped regular the ship with a fluent 60-run partnership, earlier than Routledge was caught at mid-off from a Nicole Reid supply.
Sproul quickly adopted for a stable 43 from 67 balls when caught and bowled by Poppy Walker.
Poor Glamorgan fielding, with a number of dropped catches and a missed stumping, boosted Middlesex as Horley and Trussler placed on 131 earlier than the latter was stumped by Abbey Freeborn off the bowling of Eve Jackson.
Horley’s innings was ended on 117 however she helped Middlesex set a tricky goal of 279.
They obtained their breakthrough within the fifth over when influential captain Lauren Parfitt was bowled by Siya Nanavati for eight.
Glamorgan’s woes continued when the hard-hitting Daisy Jeanes was caught at mid-wicket off Issy Routledge.
The wickets continued to tumble when Horley adopted up her century by taking the wickets of Bethan Ellis and Megan Sturge as Glamorgan slumped to 72-4.
A 72-run partnership between Freeborn and Gammon supplied some hope, till the previous was bowled by Anaya Patel for 43.
Glamorgan received the League Two T20 Blast however Hannah Davis extinguished any hopes of a double with two swift wickets, together with the important thing one in every of Gammon when she was caught within the deep for 58.
It was becoming that Horley had the ultimate say when she had Gemma Porter caught by Trussler.
Middlesex captain Saskia Horley stated:
“It has been an extended day and I am fairly sore, however I believe right this moment proved how good this aspect is and the way we keep collectively as a unit in fairly difficult instances.
“We gave ourselves a platform to specific ourselves, then all our bowlers did their job and that is what we have performed all yr.
“Once we get pleasure from our cricket and we stick collectively as a gaggle, this stuff can occur, lots of women have gotten jobs to return to so having fun with it’s phenomenal.
“That is my last sport for Middlesex which is bitter-sweet, however I am going to soak up all of right this moment and look again at these reminiscences.
“There’s such a brilliant squad, we have got children in right here who’re studying a lot and that is key in eager to go skilled.
“Glamorgan have gotten an outstanding squad and I want them good luck in Tier One, I believe they will compete rather well.”
Glamorgan vice-captain Bethan Gammon advised BBC Sport Wales:
“It is gutting to have ended up on the incorrect aspect of it however honest play to Middlesex and their skipper who performed an outstanding innings to come back out victorious.
“If we may return and do the fielding innings once more we’d, we missed a number of probabilities and so they took full benefit.
“We tried to exit and be optimistic, Daisy Jeanes obtained off to a superb begin, Abbey and myself constructed up a fairly good partnership however the price (wanted) steadily grew over time.
“It was an extremely proud season for us to see this crew proceed to develop and younger gamers proceed to shine, we’re persevering with to develop a superb crew and a pathway to depart us in good stead for subsequent yr.”
