Pittsburgh Pirates
-SP Jeff Karstens has gone 2-0 with a 0.43 ERA in three home starts this year
-Karstens brings in a 20-inning home scoreless streak into tonight’s game
-Starting rotation is 4-1 with a 1.90 ERA in the last six games
-Gone 11-4 in games started by opposing left-handers at home
-Staff ranks first with a 2.32 ERA at home
-Karstens has gone 3-0 with a 2.52 ERA in four starts versus divisional teams this year
-Karstens went 0-1 with a 0.69 ERA in two starts against the DBacks last year
Washington Nationals
-The Nationals are 4-1 against the Astros this year, but have been outscored 20-19
-SP Ross Detwiler’s 3.02 ERA ranks third among NL left-handed pitchers that have made at least 15 starts
-Detwiler is 2-12 with a 4.10 ERA in 29 career games (20 starts) on the road
Detroit Tigers
-Won their last nine home games, while going 23-11 in their last 34 games overall
-Offense has scored 107 runs in its last 17 games at home (25 HRs)
-SP Rick Porcello is 2-0 with a 1.35 ERA in his last three home starts against the Yankees
-Porcello has allowed just one HR in his last 13 starts (76.1 IP)
Check out my early thoughts on three MLB games on tonight's card