Kalainoff shined as a sophomore for Nashua-Plainfield in 2025. He delivered 31.0 tackles, including 17 solo stops. He showed his disruptive tendencies with 9.5 tackles for loss and four sacks. He also forced a pair of fumbles. Kalainoff provides evidence that he can play this game during his 10th-grade highlight video. Lightning quick coming off of the edge, Kalainoff beats offensive tackles before they can lock him up. He’s effective standing up or with his hand in the dirt, playing with productive pad level and keeping his eye on the ball. Kalainoff’s frame looks like it can comfortably add good weight and strength without the loss of impressive athleticism.

Kalainoff shined as a sophomore for Nashua-Plainfield in 2025. He delivered 31.0 tackles, including 17 solo stops. He showed his disruptive tendencies with 9.5 tackles for loss and four sacks. He also forced a pair of fumbles. Kalainoff provides evidence that he can play this game during his 10th-grade highlight video. Lightning quick coming off of the edge, Kalainoff beats offensive tackles before they can lock him up. He’s effective standing up or with his hand in the dirt, playing with productive pad level and keeping his eye on the ball. Kalainoff’s frame looks like it can comfortably add good weight and strength without the loss of impressive athleticism.