WATERLOO - Derrick Diggins came off the bench to score a game-high 21 points to lead Kennedy to a 56-51 overtime win over Waterloo West in a 4A substate contest at Waterloo East High School.

Drake Brewster chipped in with 11 while Matt Berst and Michael Bisenius added 10 apiece for the Cougars (11-11). Kennedy advances to the substate semifinal at 7 p.m. Friday on the road against Cedar Falls.

West, which closes at 6-16, was led by Gabe Pepin's 17 points.

KENNEDY (56): Brewster 1 9-10 11, Girling 0 0-0 0, Berst 3 2-4 10, Duehr 0 0-0 0, Diggins 5 7-8 21, Bisenius 3 1-3 10, Beyer 2 0-0 4, Wall 1 0-0 2. Totals 15 19-26 59.

WATERLOO WEST (51): Lanier 2 0-0 4, Spates 2 2-3 7, Caddell 0 2-2 2, Harris-Anderson 2 3-4 7, Kuljuhovic 5 1-1 11, Pepin 5 4-4 17, Nickelson 1 0-0 3, T. Beaman 0 0-0 0, T. Burt 0 0-0 0, K. Burt 0 0-0 0. Totals 17 12-14 51

Halftime: Waterloo West 30, Kennedy 27. 3-point goals: Kennedy 7 (Berst 1, Bisenius 2, Diggins 4). Waterloo West 5 (Spates 1, Pepin 3, Nickelson 1). Total fouls: West 21, Kennedy 16. Fouled out: Caddell, Pepin.