So long to a good Giant. The San Francisco Giants made a left-handed hitting outfielder swap on Thursday, sending Steven Duggar to the Texas Rangers in exchange for Willie Calhoun and cash considerations. The #SFGiants and Rangers completed a trade today with OF Willie Calhoun joining the Giants organization along with cash considerations in exchange for OF Steven Duggar. — SFGiants (@SFGiants) June 23, 2022 Trades are always interesting things that lead to interesting opinions, so let’s be clear about what this is and what it is not. What it is not: a move made to secure a talent upgrade.…