St. Louis Cardinals (47-40, third in the NL Central) vs. Pittsburgh Pirates (37-50, fifth in the NL Central) Pittsburgh; Wednesday, 12:35 p.m. EDT PITCHING PROBABLES: Cardinals: Sonny Gray (8-2, 3.36 ERA, 1.09 WHIP, 101 strikeouts); Pirates: Mitch Keller (2-10, 3.90 ERA, 1.22 WHIP, 77 strikeouts) BETMGM SPORTSBOOK LINE: Cardinals -140, Pirates +118; over/under is 8 runs BOTTOM LINE: The Pittsburgh Pirates host the St. Louis Cardinals looking to extend a six-game home winning streak. Pittsburgh has gone 25-21 in home games and 37-50 overall. Pirates pitchers have a collective 3.69 ERA, which ranks ninth in the majors. St. Louis has a 21-23 record in road games and a 47-40 record overall. The Cardinals