During the final week of August, in a 72-hour span, four of MLB’s starry can’t-miss rookie pitchers recorded a 1.21 ERA with three walks and 23 strikeouts in 22 1⁄3 innings.

The Pirates’ Bubba Chandler, who rated as high as No. 7 in the sport’s top 100 prospects, gets an asterisk, as Pittsburgh has been breaking in the soon-to-be 23-year-old as a reliever since his call-up earlier this month. Plus, the pathetic Pirates, who made their last playoff appearance in 2015, are headed for their seventh straight losing season, so what’s going on by the banks of the Allegheny is mostly glorified Grapefruit League these days.

Which brings us to the varsity level of this week’s events, Friday’s twin debuts of the Mets’ Jonah Tong at Citi Field and the Red Sox’s Payton Tolle at Fenway Park. (The

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