SAN FRANCISCO — This was a performance the Mets would take from any of their pitchers, let alone their seventh starter. David Peterson, pitching in place of the injured Max Scherzer, once again impressed in his promotion to the big leagues by holding the Giants to two runs on three hits across six innings. He matched his season-high of six strikeouts, while allowing one walk, across 99 pitches for a 2.16 ERA. Peterson’s solid outing was complemented by an offensive outburst from the lineup in the Mets’ 13-3 rout over the Giants on Monday night at Oracle Park. Manager Buck Showalter, who was ce…
