Trailing Chartiers Valley by four runs entering the bottom of the seventh inning, the Mars baseball team scored five runs to beat the Colts 8-7 Thursday.

The Planets' D.J. DeLucia and Luke Gruber tallied back-to-back run-scoring doubles to tie the game and win it, respectively.

Mars (10-8) received solo home runs from Blake Friday, Dylan Bear and Nick Comport.

• Jeff Revesz and Brian Murone each hit two-run homers as Grove City downed Sharon 9-4.

Jason Revesz had three hits and three RBI, and Randy Risch struck out seven in five innings for the Eagles (14-2, 7-0).

Chartiers Valley 301 003 0 — 7 7 0Mars 011 010 5 — 8 12 3W: Ryan O'Connor 1 IP (0 K, 1 BB).

L: Tyler Prevost X\c IP (1 K, 1 BB).

Chartiers Valley: John O'Neill 1B HR 2 RBI, Luke Horew 2-2B 2R RBI

Mars (10-8): Blake Friday HR, Dylan Bear HR, Nick Comport HR 2R, James Fox 1B 2B R RBI, Jeff Quail 2-1B RBI, Ryan McKenzie 2-1B

Today: Mars at Knoch (Pullman Park)

Grove City 500 112 0 — 9 8 3Sharon 020 101 0 — 4 6 4W: Randy Risch 5 IP (7 K, 3 BB).

L: Gary Revale 5 IP (3 K, 3 BB).

Grove City (14-2, 7-0): Jason Revesz 3-1B 3-RBI, Jeff Revesz HR 2-RBI, Brian Murone HR 2-RBI

Sharon: Zach Anderson 1B 2B, John Fennell HR

Wednesday: Grove City at Oil City

Pitcher Morgan Robinson, doubled, singled and struck out eight, but Slippery Rock (7-8, 6-4) was blanked by Titusville 4-0.• Mars dropped an 8-4 nonsection decision at home to Vincentian Academy.<B>Slippery Rock 000 000 0 — 0 2 1Titusville 211 000 x — 4 9 1W:</B> Ashley Smith 7 IP (11 K, 1 BB). <B>L:</B> Morgan Robinson 6 IP (8 K, 3 BB).<B>Slippery Rock (7-8, 6-4):</B> Robinson 2B 1B<B>Titusville:</B> Wright 2-1B 2B, Smith 2B, Partridge 2-1B, Lorey HR<B>Monday:</B> Slippery Rock at Meadville<B>Vincentian Acad. 102 300 2 — 8 7 3Mars 300 010 0 — 4 5 3W:</B> Nina Melvin 7 IP (13 K, 2 BB). <B>L:</B> Rachel Pastorek 4 IP (5 K, 5 BB).<B>Vincentian Academy:</B> Nina Melvin 2B, Amanda Swiger 3B<B>Mars (2-13):</B> Chame Wilson 2B<B>Monday:</B> Mars at Fox Chapel

Butler's Matt Slamecka and Will Nesbitt won three matches Thursday at the WPIAL Doubles Tournament to advance to today's championship match at Keystone Oaks High School.The duo defeated teams from Norwin (10-0), Shady Side Academy (10-3) and another duo from Shady Side in the semifinals (6-4, 6-4).Slamecka and Nesbitt will face Fox Chapel's Shankar Rajupet and Brad Portnoy today for the title.Regardless of today's outcome, the Slamecka/Nesbitt tandem has qualified for the PIAA Doubles Tournament in Hershey later this month.Also competing for the Golden Tornado Thursday, Stefan Kemp and Zac McCafferty defeated a team from Bethel Park (10-5) before falling in the quarterfinals to a Mount Lebanon duo (10-3).

Amanda Huey scored four goals and Brianna Harvey had three as 11 Butler players scored in a 17-6 win over Taylor Allderdice.Maggie Dellen also had two goals for the Golden Tornado (17-6).