The Sox aren’t getting Yamamoto, but it’s not because of some half as effort; they simply cannot outbid the Mets and for the same reason I can’t outbid Jeff Bezos for something he wants.
It is a dicey situation if waiting for Yamamoyo means watching Montgomery, etc. sign elsewhere.
Fortunately Montgomery/Snell/Stroman have no deadline for when they can sign, and Yamamoto does. The posting process requires he reach an agreement within a certain number of days of being posted, or he returns to Japan. I think his deadline is January 4. Unless some team stops up and blows away Montgomery or Snell, either is unlikely to sign anywhere before then. With all the big spenders linked to Yamamoto, they have interest in seeing who loses…