Former star New York Giant defensive lineman Chris Canty has gone on offense — against his Upper West Side tenant.

The Super Bowl champ and co-host of ESPN Radio’s “Unsportsmanlike” has been accused of unnecessary roughness as he tries to oust the last remaining resident of a five-story, $5.2 million townhouse Canty owns, according to court records.

The 6-foot-7-inch, 380-pound defensive end wants to transform the nine-unit West 89th Street building into his own luxury townhouse — but 5-foot-6 data analyst Stuart Kalmenson stands in his way. 4

“I had the choice of either getting bullied, or fighting the good fight,” Kalmenson said.

Kalmenson, 59, has lived in his two-bedroom apartment just steps from Central Park for 19 years, paying $2,600 a month rent when Canty, who works o

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