Hughes had a 2.40 ERA and 1.13 WHIP in 15 innings entering Tuesday. Mazzaro had a 3.48 ERA and 1.26 WHIP in 10 1/3 innings.
• Programming alert: Pedro Alvarez will be on "Off the Bat from the MLB Fan Cave" on MTV2 at 11 p.m. ET on Tuesday.
Tim Healey is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.