Chip Kelly 's famously frenetic offense produced four touchdowns Monday night .
The new coach 's defense was the star attraction in the 49ers ' season - opening 28 - 0 win over the Los Angeles Rams at Levi 's Stadium .
Chip Kelly 's famously frenetic offense produced four touchdowns Monday night , but the new coach 's defense was the star attraction in the 49ers ' season - opening 28 - 0 win over the Los Angeles Rams at Levi 's Stadium .