BANGOR – Senior righthander Keith Nason allowed only three hits and one walk while striking out 16 to lead No. 6 John Bapst by No. 11 Mount View 5-0 in a schoolboy baseball prelim Tuesday night.

Chris Leavitt paced Bapst with three singles while Alex Means and Dan Leighton each added two singles. Means notched an RBI single in the fourth inning along with Hunter Umphrey.

Cliff Gardner singled twice for Mount View of Thorndike.

Mount View (6-11) 000 000 0 – 0 3 3

John Bapst (8-9) 001 400 x – 5 11 0

Moyer and Lewis; Nason and Hathaway

Class B

Erskine 7, Bucksport 5

At Bucksport, Jason Hutchinson hit a two-run homer and two singles as the Eagles upset the Golden Bucks.

Jody Jose added two singles for No. 10 Erskine Academy of South China.

Joe Robicheau hit a three-run home run and an RBI single for No. 7 Bucksport.

Erskine (9-8) 203 002 0 – 7 6 1

Bucksport (9-8) 110 000 3 – 5 10 5

Helm and Jose; Hopkins and Robicheau

MCI 7, Ellsworth 1

At Ellsworth, Jake Lasselle pitched a six-hitter as No. 9 Maine Central Institute of Pittsfield advanced to an Eastern B quarterfinal at top-ranked Winslow on Thursday.

Lasselle also had three singles, two runs scored and two stolen bases. Marty Quint added three singles for MCI. Phil Hendricks doubled and singled and Victor Quint singled twice.

Cory Smith and Chase Buckingham each singled twice for No. 8 Ellsworth.

MCI (9-8) 110 103 1 -7 13 0

Ellsworth (8-9) 100 000 0 – 1 6 5

Lasselle and V. Quint; Putnam and Na. Jordan

Class C

Washington Acad. 3, Dexter 2

At East Machias, Corey Colbath singled twice and scored the winning run for the sixth-ranked Raiders.

Mark Fields hit an RBI double and James Ramsdell had an RBI single to drive home Washington Academy’s other runs. Steve Colbath allowed four hits and four walks while striking out 12 for the Raiders.

Kyle Stone singled and brought in two runs for the No. 11 Tigers.

Dexter (10-7) 000 200 0 – 2 4 1

Wash. Acad. (13-3) 110 010 x – 3 7 2

Kelso and Stone; Colbath and Ramsdell

Sumner 4, Penobscot Valley 2

At East Sullivan, Trevor Renwick hit an RBI double in the sixth inning and John Stewart added an insurance run with a sacrifice fly as the No. 8 Tigers prevailed.

Dylan Johnson had an RBI double and Jeff Burditt a triple for Sumner. Kyle Joy went the distance and struck out 16. Both Penobscot Valley runs were unearned.

Matt Cummings singled twice and knocked in a run while Joey Cyr singled and drove in a run wwith a bases-loaded walk for the ninth-ranked Howlers of Howland. Nick Ware added two singles.

Penobscot Valley (10-7) 200 000 0 – 2 8 2

Sumner (6-11) 200 002 x – 4 3 1

Ware and Crosby; Roy and Renwick

Madawaska 2, Calais 0

At Madawaska, Eric Gendreau hit an RBI double and Gill Cyr had an RBI single in the first inning as fifth-ranked Madawaska edged No. 12 Calais 2-0 in an Eastern Maine Class C baseball preliminary-round game.

The win advances the Owls to a quarterfinal Thursday at No. 4 Houlton.

Peter Gerard pitched a five-hitter for the Owls, while Mark Sirois doubled for the winners.

Scott Geel doubled and singled for Calais.

Calais (6-10) 000 000 0 – 0 5 0

Madawaska (13-2) 200 000 x – 2 4 0

Macdonald and Rogers; Gerard and Gendreau

Class D

Washburn 16, Ashland 4

At Washburn, Seth Milton smacked a pair of three-run homers to lead the No. 6 Beavers to the win.

Ben Harris hit a two-run double and Josh Bigbee had two singles and an RBI for the winners.

Matt Saucier and Alan O’Clair each had an RBI double for the No. 11 Hornets.

Ashland (5-10) 002 11 – 4 3 0

Washburn (12-3) 001 (10) 5 – 16 9 0

Baker and Hunter; Milton, J. Thompson (3), Millett (4), A. Thompson (5) and A. Thompson, Milton (5)

BC Patriots 15, Van Buren 1

At Van Buren, Tory Dearborn doubled, singled twice and drove in four runs to power No. 10 Bangor Christian past No. 7 Van Buren.

Justin Phinney chipped in with a double, single and three RBIs for the winners and Josh Frost doubled, singled and drove in a run. Anthony Cole and Eric Sobey had two singles each.

Matt Gagnon singled twice and drove in a run for Van Buren.

Bangor Christian (5-12) 155 40 – 15 13 1

Van Buren (8-7) 100 00 – 1 6 8

Dougherty, Phinney (4) and Cleary; Hews, Gagnon (2), Taylor (4) and Gagnon, Taylor (2) Gagnon (4)

Katahdin 8, Hodgdon 2

At Hodgdon, Owen McCarthy singled four times and drove in three runs for the No. 9 Cougars.

Patrick Willett struck out 14, allowing only three hits and walking four. Jordan Qualey had a double and a single.

For the No. 8 Hawks, Bruce Currie and Matt Hovey each had two singles.

Katahdin (7-9) 005 110 1 – 8 8 2

Hodgdon (6-8) 000 002 0 – 2 4 7

Willett and McCarthy; Schools, Guy (3), Schools (3), Hovey (4), Griffin (6) and Currie