Concord Post 21's Jake Knowles (3) gets a piece of a pitch during an American Legion baseball game against Keene Post 4 at White Park in Concord on Friday, June 22, 2018. (ELIZABETH FRANTZ / Monitor staff)
Concord Post 21's Jake Knowles (3) gets a piece of a pitch during an American Legion baseball game against Keene Post 4 at White Park in Concord on Friday, June 22, 2018. (ELIZABETH FRANTZ / Monitor staff) Credit: Elizabeth Frantz

Concord Post 21 defeated West Warwick, R.I., 1-0, in the 43rd annual Karl “Gubby” Underwood Tournament in Keene on Saturday.

Eric Sullivan dealt a complete-game shutout with eight strikeouts while scattering four hits. Jacob Knowles had two hits and Jake Kelly knocked in an RBI-single to win it.

Post 21 is back in action Sunday in Keene against Brattleboro, Vt. First pitch is set for 9:30 a.m.