The Texas Rangers’ 2020 first-round pick is one of several players hoping for a shot in Arlington in 2023. The Texas Rangers have one of the best second base prospects in all of baseball, according to MLB.com. The site, which is unveiling its Top 10 prospects at each position, named Rangers prospect Justin Foscue No. 4 overall. He was behind the Pittsburgh Pirates’ Termarr Johnson, the Los Angeles Dodgers’ Michael Busch and the Detroit Tigers’ Jace Jung, the younger brother of Rangers third baseman Josh Jung. MLB.com also has Foscue as the Rangers’ No. 5 overall prospect. Foscue played in…