Is this safe? As SF Giants hit the road, MLB faces daunting challenges

SAN FRANCISCO, CALIFORNIA – JULY 21: San Francisco Giants manager Gabe Kapler watches the game from the dugout against the Oakland Athletics in the first inning of their exhibition game at Oracle Park in San Francisco, Calif., on Tuesday July 21, 2020. (Nhat V. Meyer/Bay Area News Group)SAN FRANCISCO — Dave Groeschner, L.J. Petra and Abe Silvestri aren’t established major league players or high-level front office executives, but they rank among the most important members of the 2020 San Francisco Giants.

If the Giants hope to find success in a daunting 60-game season, they’ll need Groeschner, their senior director of athletic training, Petra, the newly-installed infection control prevention…