Jones completed four of seven pass attempts for 74 yards and an interception while rushing once for two yards in Saturday's 30-9 preseason loss the Broncos. Jones got the nod under center with starter ...

San Francisco 49ers coach Kyle Shanahan speaks to reporters after his team's preseason loss to the Denver Broncos on Saturday ...

The San Francisco 49ers opened the preseason with the newly acquired Mac Jones under center. Jones made a good first ...

San Francisco 49ers quarterback Mac Jones began his new chapter in red and gold by leading a touchdown drive to open the game. The 49ers opened their preseason with a 30-9 defeat to the Denver Broncos ...

Quarterback Mac Jones made his San Francisco 49ers debut on Saturday night, playing three drives to open the preseason ...

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

Denver Broncos cornerback Ja'Quan McMillian goes low for San Francisco 49ers quarterback Mac Jones' pass for an interception.