Isiah "Butch" Robertson (August 17, 1949 – December 6, 2018) was a professional American football player who played linebacker for the Los Angeles Rams (1971–1978) and the Buffalo Bills (1979–1982).
He was selected to six Pro Bowls during his years with the Rams.
He picked off 25 passes in his career, returning three for touchdowns, scoring a fourth touchdown on a fumble recovery in 1978.
According to Rams and Bills records, Robertson also sacked the quarterback 24½ times and forced 16 fumbles in his career.
Robertson combined size, strength, quickness, speed, toughness, and a knack for making the game-breaking play.
The 6'3" star was one of the NFL's fastest linebackers of his era, having been timed at 4.6 seconds in the 40-yard dash.