MLB trade deadline: Chicago Cubs send lefty reliever Andrew Chafin to Oakland A's, per report | CBS Sports Headlines MLB trade deadline: Chicago Cubs send lefty reliever Andrew Chafin to Oakland A's, per report Chafin has a 2.06 ERA and 0.94 WHIP in 39 1/3 innings of work this season … Continue reading MLB trade deadline: Chicago Cubs send lefty reliever Andrew Chafin to Oakland A's, per report