Bolivar defeated McDonald County 3-0 (25-21, 25-15, 25-15) on Tuesday.
Last Thursday, Megan Elwood and Kloe Myers had 11 kills each as the Lady Mustangs won the final three sets and rallied past Diamond 3-2 (16-25, 26-28, 25-18, 25-23, 15-8) on Senior Night.
Abby Wiseman had 27 assists, and Kirklyn Kasischke added 33 digs in McDonald County's victory.
College Heights topped visiting McDonald County 2-0 on Tuesday.
Tomas De La Cruz made eight saves for the Mustangs.
McDonald County finished second in the Cassville Soccer Classic after a 1-1 draw with Aurora on Saturday.
Julis Quetzecua scored the Mustangs' goal on a penalty kick.
McDonald County's Griffin Schutten made four saves in his first full debut with the varsity.
Seniors Bryan Montero, Ricardo Salas and Quetzecua were named to the all-tournament team for the Mustangs.
In earlier tourney action last Thursday, Saw Eh and Hasler Lopez scored one goal each in McDonald County's 2-1 win over Cassville. Elias Bail had an assist for the Mustangs.
Senior Madeline McCall pitched a complete game as the Lady Mustangs defeated Marshfield 3-0 last Thursday.
The McDonald County boys placed second, and the girls took third in the team standings at the Aurora meet last Thursday.
The Mustangs finished behind Cassville, posting a team total of 64. Carl Junction won the girls competition, and Cassville was second. The Lady Mustangs had a total of 65.
Lane Pratt (ninth, 20:06.57), Tyler Rothrock (12th, 20:30.29), Zeth Drake (13th, 20:35.90) and Corbin Holly (18th, 20:48.23) medaled for the Mustangs.
Madison Burton (12th, 25:08.24), Anna Belle Price (18th, 26:16.84) and Mireya Sebastian (19th, 26:50.82) medaled for the Lady Mustangs.
Jolie Stipp led the way by shooting a 103, followed by Kyla Moore (107), Fayth Ogden (108) and Lundyn Trudeau (113) as McDonald County finished with a team total of 431 in the Springfield Catholic Tournament last Wednesday.