Technōs had a whole line of sports games in this ‘super deformed’ style and with outlandish mechanics, as offshoots of the ‘Kunio-kun’ series. The games I know are lots of unadulterated fun.
‘Nintendo World Cup’ — soccer
Nekketsu Street Basket: Ganbare Dunk Heroes — street basketball
Heard of these, haven't played yet:
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‘Super Spike V'Ball’
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‘Downtown Nekketsu Koushinkyoku: Soreyuke Daiundoukai’ / ‘Downtown Nekketsu March: Super-Awesome Field Day!’ — obstacle course running and fighting
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‘Ike Ike! Nekketsu Hockey-bu: Subette Koronde Dairantou’ / Go-Go! Nekketsu Hockey Club
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‘Crash n' the Boys: Street Challenge’ — track and field, iirc
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‘Kunio Kun no Nekketsu Soccer League’ / Goal 3 — seems to be a sequel to ‘Nintendo World Cup’
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Downtown Nekketsu Baseball Monogatari: Yakyū de Shōbu da! Kunio-kun (on SNES)