Here is how 49ers quarterback Mac Jones performed in his long-awaited San Francisco debut against the Denver Broncos in the NFL preseason opener.

San Francisco 49ers hunt down Denver Broncos quarterback Jarrett Stidham on a third-down sack. Jacksonville Jaguars running back Bhayshul Tuten bullies his way to 8-yard TD.

Denver Broncos linebacker Karene Reid jumps San Francisco 49ers quarterback Carter Bradley's errant pass for an interception.

Denver Broncos second-string quarterback Jarrett Stidham threw a 36-yard touchdown pass to wide receiver Trent Sherfield late ...

The 49ers scored a touchdown on their opening series of the preseason, then their defense crumbled by halftime against the ...