Dawson led off the bottom of the eighth with a triple and came in on a booted ground ball to give the Lady Owls the walk-off victory. She had an RBI single and scored on senior Courtney Crusha's single in a three-run first inning which began with three errors by the Lady Wildcats.
Slater got base hits from senior Doran Vaillancourt, freshman Jordan Allen and senior Olivia Knox to plate two runs in the top of the second.
Sophomore Hayley Campell and senior Jessica Johnson singled to give Marshall a 4-2 lead in the second.
Senior Raha Shahabzada, who returned to the circle after recovering from an injury suffered last week, held the Lady 'Cats scoreless over the next three frames. However, three errors, a walk and a wild pitch allowed Slater to tie the contest in the bottom of the sixth.
A two-out walk and error gave the Lady Owls a chance to end the game in the seventh, but junior Mary Rose Gonzalez -- who allowed only one earned run -- got out of the jam.
Both teams will have home games Thursday, the Lady 'Cats (2-10) taking on Prairie Home and Marshall (2-13) hosting NCMC rival Kirksville.
The Marshall volleyball team evened its record against Class 3, District 14 foes Tuesday with a 25-18, 25-22 non-conference home decision over Oak Grove.
The match was mostly tight throughout, although the Lady Owls went up 20-12 early in the second rotation of the first set. The Lady Panthers closed to within 23-17 before Marshall closed out the win.
Oak Grove (3-8-1) was ahead 22-21 in the second set before the Lady Owls tallied four points in a row -- three on serves by sophomore Olivia Haug, the last two aces -- to end the match.
Haug finished with four aces and seven digs, while freshman Abbie Lemmons and junior Analee Tucker combined for 11 kills for Marshall. Tucker also had four aces and senior Rachel Brown added four spikes and two aces.
The Lady Owls (5-7-1) are not scheduled to face any other district members during the regular season. They will entertain NCMC rival Boonville on Thursday.
The Marshall girls' tennis team celebrated Senior Day with an 8-1 non-conference victory over Odessa.
The Lady Owls won five of six singles matches behind senior Stephanie Markes (8-1), freshman Taylor Crawford (8-5) and juniors Payton Beeler (8-0), Amanda Harrelson (8-4) and Idalia Aguilar (8-3).
The lone win for the Lady Bulldogs (7-3) came at No. 1 singles, where senior Stephanie Kuschke got by sophomore Molly Evans, 8-4. However, Evans returned the favor at No. 1 doubles, when Markes joined her to defeat Kuschke and senior Bailee Kufner, 8-3.
Marshall also won in doubles, with Crawford and Beeler getting a narrow 9-7 decision at No. 2 and Aguilar teaming with senior Sam Huston for an 8-3 victory at No. 3.
The Lady Owls (10-1) return to the NCMC grind today at Mexico.
CALIFORNIA -- The Marshall girls' golf team continued to progress Tuesday, tying for fifth place among nine entries in the California Invitational.
Junior Lindsey Sullivan had seven bogies, and only one hole over a double bogey, while placing 13th with a 101 -- taking 18 strokes off her score on the California Country Club course a year ago. Freshman Margaret Miles parred the par-three No. 15 hole and had a pair of bogies to come in with a 113, nine strokes better relative to par than her previous top performance.
Getting 11 strokes closer to par than before was junior Kalie Cowart with a 121, while junior Caitlin Crawford's 127 was only one shot off her best pace. All four of the Lady Owls' scores, which combined for a team tally of 462, were career lows.
School of the Osage sophomore Taylor Hayes -- seventh at last year's MSHSAA Class 1 Championships -- won the individual crown by six strokes with a four-over 76, while Sacred Heart (355) easily took the team trophy.
Marshall will play for the third time this week today when it hosts Smith-Cotton.