Finley was given the Blues on Saturday after Tongala proved too strong and too experienced for its young Cats opponents.
In a battle between the B-grade ladder leaders, it was the minor premier that came out on top, winning 49-22.
The Blues purred from the outset jumping to an 11-goal lead before eventually cruising to a comfortable win, with a number of players to back up for the A-grade game soon after.
Coach Alicia White missed the final quarter in preparation for the 1.30 game, but her side outclassed a young Cats outfit that could not match it for four quarters.
Nonetheless, barring a few players, the Cats had an average age of 16 running around, meaning a bright future is in store for the runners-up.
It was a family affair on Saturday with Angela Holmes lifting aloft the premiership cup for Numurkah after playing alongside her daughter Laura.
The Blues were dominant from the outset leading by as much as 11 goals at half-time before winning 53-28.
Heading into the penultimate half the Blues made changes, bringing on inexperienced goal keeper Laura, who formed a formidable partnership with her mother.
The pair was inseparable and conceded only 16 goals in the second half, while the Blues went on to score 30 of their own.
The Cats attempted to hold their own, but unfortunately their remarkable run came to end after making the grand final from sixth position.
Numurkah has suffered back-to-back grand final defeats after losing yet again on Saturday.
The Blues battled tirelessly, but were jumped from the outset with Finley leading by six goals at quarter-time, before eventually winning 35-26.
The Cats, who finished in fifth position, proved too strong for the second-placed Blues, despite losing their regular season game this year.
Emma Evans was awarded most valuable player for her work in defence as the Cats completed the near-impossible project.
Evans (GK) was assisted in the back half by Bridget Tegart (GK) and Lori Parmely (WD), while goal shooter Karen Donkin ran riot inside the arc.
A dominant second half ensured that Echuca United would win the grand final, defeating a spirited Congupna outfit.
United was challenged early and the league leaders were in front by one goal at half-time, before eventually winning 35-24.
Tyler Atkinson was lively for The Road in goal attack, however, it was up the other end where more damage was being done.
United scored 11 goals in the third and goals in the final quarter to be crowned champions after losing just the one game all season.
Jess Davidson capped off a brilliant campaign after featuring in the interleague side to be crowned the game’s best player on Saturday at Rumbalara.
Echuca United capped off a perfect season in the Murray Netball League after defeating Tongala by 12 goals.
The Blues were jumped from the outset with United asserting itself with a five-goal lead at quarter time, before entering cruise control and eventually winning 33-21.
Goalkeeper Gemma Godfrey was as resilient as ever in defence, nullifying almost every Blues forward forward to claim best-on-ground honours.
Table-topper United extended its lead at every change as shooters Phoebe Poole and Chloe Stone began to assert their dominance going forward.
At half-time United led by six goals, 11 at three-quarter time, before swinging the ledger in its favour by one more goal as the crowd burst int raptures once the final siren rang.
Tongala and Echuca United battled it out in on Saturday and it was the former which rounded out eventual winners.
Played at Rumbalara, the Blues all but extended their lead at every break to defeat United, 40-27.
The relatively high-scoring affair saw the Blues, which finished on top of the competition via a percentage over United, score 11 goals in a dominant second term to secure bragging rights over their rivals.
The Blues led by eight goals at half-time, however, a gallant United did not go down without a fight clawing its way back into the contest to only trail by four heading into the final term.
But the league leaders again flexed their muscles to ensure the Blues would complete a near-perfect season, only losing one game all campaign.
Deniliquin clinched the Murray Netball League title in scintillating fashion, leading from start to finish.
The Rams were emphatic in the opening term scoring 12 goals, to eventually beat Tongala 33-27.
Chloe Brown was awarded Most Valuable Players in goal shooter, barely missing inside the arc.
The Rams led by just four goals at quarter-time, before doubling the margin heading into the break.
Unfortunately for the Blues the third quarter was all one-way traffic, with the eventual victors jumping out to a 10-goal lead.
With everything to lose the Blues continued to fight and hustle, not giving up hope, but the Rams proved too strong.