As Mets ponder Carlos Beltran's fate, Astros have interviewed Buck Showalter, others for managerHouston has also interviewed John Gibbons, who was a Mets candidate before they hired Beltran1/16/2020, 1:46 PMOct 23, 2017; Los Angeles, CA, USA; Houston Astros designated hitter Carlos Beltran (15) talks to players during batting practice one day prior to game one of the World Series against the Los Angeles Dodgers at Dodger Stadium. / Jayne Kamin-Oncea/USA TODAY Sports