By Morris Phillips

SAN FRANCISCO — The one thing the Giants’ offense can’t afford? Looking like they’re long in the tooth.

The transition envisioned by GM Farhan Zaidi hasn’t moved the needle yet with the team’s roster changes. The 2018 infield returns intact, Mac Williamson has another opportunity to capture the left field job and 32-year old Gerardo Parra could be the team’s most impactful addition.

That means a bunch of at-bats by hitters approaching or beyond 30-years of age, and a scouting report and approach to get them out that won’t change much regardless of opponent.

Simply, bring the heat and challenge the middle-aged lineup to succeed while facing a steady diet of 90’s and mid-90’s fastballs.

The Giants looked the part on Monday, ultimately going the first 15 innings of the Bay Bridge exhibition series without scoring a run. The Giants rallied in the seventh, but still fell short, losing 5-4.

The at-bats involving the regulars followed a pattern:

Brandon Belt batting in the first inning with two on and one out: struck out swinging on a 94-mph fastball, Liam Hendricks’ fastest pitch of the sequence.

Buster Posey in the third on a 3-1 count with two runners on, one out: rolls over on a 92-mph fastball, and is doubled up, third to first. The 92-mph, two-seam fastball from Fernando Rodney is his hardest offering of the at-bat.

In the fifth, A’s closer Blake Treinen threw five consecutive pitches–92 and above–to Joe Panik with a runner in scoring position: the fifth pitch was a cut fastball that inducted a ground out to first.

A small sample size with all three players leaving the game early, and before the four-run, seventh-inning rally, but the offense hasn’t had great numbers all spring. The 140 runs scored ranks the Giants’ third worst among Cactus League teams that played a full schedule. The Royals scored 72 more runs than the Giants, the Dodgers 10 more than the Giants despite a seven-game losing streak and an inferior won-loss record.

Last year? The Giants finished second-to-last in the National League in runs scored (603) and home runs (133).

NOTES: The A’s and Giants experienced a 84-minute rain delay on Monday, then played for 3 hours, 12 minutes without interruption. The drizzle continued throughout the evening but didn’t regain any intensity… The A’s used their bullpen approach and got nine, different hurlers into the game. The A’s improved to 4-0 against San Francisco this spring… Both teams scored four runs in the seventh inning. Erik Kratz delivered a two-run single in his Oracle Park debut.