I just don't really see a ton of upside with Calhoun, his problem has always been more approach than mechanical and he hasn't had the performance or scouting highs that Frazier has had to dream on. Also, you've got Suzuki, Villar, Bote, and Hermosillo who are gonna be coming for a roster spot within a couple weeks, so you don't need an external option to satisfy a desire to punt Heyward and Rivas SSS, but his peripherals are really good this year. More BBs than Ks and an xwOBA of .350. Like Frazier he probably ends up at replacement level through a combo of slightly above average offense and abysmal defense, but I'd rather roll the dice with that than many of the guys we have in house, particularly given the dearth of LHH bats we have in the majors and high minors. I easily take him over those latter three names you listed. Plus it looks like he has an MiLB option, so if you'd like you could stash him at Iowa until Willson's gone and those DH at bats open up.