His totals fell in 1973, to 373 rushing yards, as he played behind 1000 rusher Johnny Musso.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: His totals fell in 1973, to 373 rushing yards, as he played behind 1000 rusher Johnny Musso. ### Response: .