Matt Derouin scored on Luke Rouda’s sacrifice fly in the top of the ninth inning, lifting Mars to a 5-4 baseball victory over Freeport Monday afternoon at Swartz Field.

Niko Romano earned the win after striking out four and walking none in three innings of relief.

Zarek Simkovich added two singles, a double and one run batted in for the Planets (4-3, 2-0).

Mars 000 201 101 — 5 11 3

Freeport 000 200 200 — 4 6 1

W: Niko Romano 3 IP (4K, 0BB). L: Weysick 3 IP (4K, 1BB).

Mars (4-3, 2-0): Zarek Simkovich 2-1B 2B RBI, Ty Reginelli 2-1B, Ryan Leshinsky 1B 2B

Today: Deer Lakes at Mars

Wednesday: Freeport at Hampton

Slippery Rock 2, Oil City 0 — Dan Williams’ RBI-single in the top of the seventh inning broke a scoreless tie with the host Oilers as the Rockets prevailed on the road.

Jason Bennett came home on the base hit from Williams. Gunner Becker followed with a single that plated Jason Rockburn.

The offense made a winner out of Jake Arienzo, who struck out 11 and walked a pair in a complete game.

The victory improved the Rockets to 6-0 on the season.

Slippery Rock 000 000 2 — 2 9 0

Oil City 000 000 0 — 0 4 4

W: Jake Arienzo 7 IP (11K, 2BB). L: Gavin 1.2 IP (0K, 2BB).

Slippery Rock (6-0): Jason Bennett 2-1B, Jake Arienzo 2-1B, Gunner Becker 2-1B 2B

Oil City: Schneider 2-1B

Wednesday: Slippery Rock at Grove City

Karns City 13, Forest Area 0 (five innings) — Eric Dodd had 12 strikeouts and added a single and double at the plate for Karns City (2-1).

Karns City 024 16x x — 13 11 0

Forest Area 000 00x x — 0 1 6

W: Eric Dodd 5 IP (12K, 1BB). L: Dixon 5 IP (4K, 7BB).

Karns City (2-1): Holden Martin 2-1B, Eric Dodd 1B 2B, Hunter Schaffner 1B 3RBI, Cullen Williams 2-1B, Evan Stitt 1B 3B RBI

Forest Area: Dillman 1B

Thursday: Clarion at Karns City

Knoch 15, Highlands 0 (four innings) — The Knights’ 14-hit attack was led by Dom Bucko’s two singles and double. Chris Law added a double and triple.

Highlands 000 0xx x — 0 2 3 Knoch 461 4xx x — 15 14 0

W: Nick Guercio 4 IP (3K, 2BB). L: Thomas 1.1 IP (1K, 3BB).

Knoch: Dom Bucko 2-1B 2B RBI, Chris Law 2B 3B 2RBI, Asa Adams 1B 2B RBI, Garrett Traggiai 2-1B 2RBI, Jeff Smolen 1B RBI, Jake Herrit 1B RBI, Jeff Frazier 1B RBI, Joel Zacherl 1B

Today: Freeport at Knoch

Boys Tennis

Mars’ Josh Raymundo and Aaron Gruber advanced through the first two rounds of the Section 2-AAA Doubles Tournament with victories over Butler’s Cam Sedwick/Matt McMaster (10-1) and Henry May/Devin Fitz (10-3).

May and Fitz had defeated North Hills’ Ryan Balog/Jake Seiler (10-6) in the opening round.

Sedwick and McMaster won a qualifying round match over Knoch’s Martin Stasinka/Kenny Damits (10-1) before losing in the first round.

Softball

Kennedy DeMatteis singled twice and doubled while scoring three runs and driving in two in Moniteau’s 13-0, five-inning win over visiting A-C Valley.

DeMatteis also was the winning pitcher, striking out eight in four innings of work for the Warriors (6-1, 2-0).

Moniteau had defeated Redbank Valley 6-0 on Saturday. Kennedy DeMatteis allowed just three hits and struck out nine in the complete-game shutout.

Kristina DeMatteis added a single, double, two runs scored and two RBI. Alyssa Dailey singled twice and scored two runs.

A-C Valley 000 00x x — 0 1 1

Moniteau 308 2xx x — 13 17 1

W: Kennedy DeMatteis 4 IP (8K, 0BB). L: Katie Stumpner 4 IP (0K, 1BB).

A-C Valley: Katie Stumpner 1B

Moniteau (6-1, 2-0): Gabby Stewart 1B 2B 2R RBI, Kennedy DeMatteis 2-1B 2B 3R 2RBI, Kristina DeMatteis 2-1B 2B 2R RBI, Cortney Claypoole 1B R 2RBI, Bailey Hoffman 2-1B 2B 2R, Sara Hull 2-2B R 2RBI, Megan Hepler 2B RBI

Today: Clarion at Moniteau

Butler 13, Pine-Richland 6 — Rachel Rebmann clubbed two home runs while Hannah Hays singled twice and doubled for the Golden Tornado (2-3, 2-3).

Butler 132 203 2 — 13 12 7

Pine-Richland 210 003 0 — 6 7 6

W: Emily McDonald 6 IP (8K, 1BB). L: Carr 7 IP (2K, 5BB).

Butler (2-3, 2-3): Rachel Rebmann 1B 2HR, Hannah Hays 2-1B 2B, Emily McDonald 1B 2B, Noel Pfabe 1B 2B, Kait Barnett 1B 3B

Pine-Richland: Carr HR, Keilly 1B 2B

Today: Brashear at Butler

Knoch 4, Indiana 1 — Shelby Bruggeman allowed just one run on six hits in a complete game victory for the Knights (5-3, 2-1).

Bruggeman did her part at the plate as well, tallying a single and triple.

Indiana 100 000 0 — 1 6 0

Knoch 010 012 x — 4 8 1

W: Shelby Bruggeman 7 IP (3K, 1BB). L: Bertig 6 IP (7K, 4BB).

Indiana: Dillon 2B

Knoch (5-3, 2-1): Shelby Bruggeman 1B 3B, Avery Keller 2B

Today: Oakland Catholic at Knoch

Karns City 10, Forest Area 0 — Ashley Coon had four singles and LeeAnn Gibson allowed just a single hit while striking out 10 in six innings for the Gremlins (1-0).

Karns City 510 002 2 — 10 9 1

Forest Area 000 000 0 — 0 1 0

W: LeeAnn Gibson 6 IP (10K, 0BB). L: Dubrawka 7 IP (5K, 4BB).

Karns City (1-0): Ashley Coon 4-1B, Brittney Coyle 1B 2B, LeeAnn Gibson 2-1B

Forest Area: Cochran 1B

Today: Karns City at Keystone

Mars 9, Highlands 1 — Marina Manuppelli and Isabella Berkopec both had three hits and Lindy Lee drove in three runs for the Planets (3-0, 3-0).

Girls Lacrosse

Ally Riley scored four goals and Mikayla Spreng three to lead Knoch to an 11-8 win over Indiana.

Heidi Fanton added two scores, Taylor Carr one goal and three assists and Hannah Oblich one goal.

Emma Federkeil made nine saves in net.