1: Measure of heat in the empty room (5)
2: Refuse graduate upgraded mark (7)
3: Leaders of Orioles and Rangers stick in the dugout? (3)
4: Marvelous egg primarily lined with bits of extremely rare gems (7)
5: Do over eco-law lacking initiative (2-5)
6: Actress Tori, lacking direction, is getting the characters out of order(11)
7: Drunk rises, holding tubular headgear (3,4)
10: Laid off, breadwinner's starting to wing it (2-3)
12: Seduce husband-to-be in parlor (7, 4)
16: The fathead cut down and then collapsed (7)
17: Again, make fast about dead heat (5)
19: Horseman conveyed mineral to listeners (7)
20: Resistance to change is smart; it's going back in time (7)
21: Destroyed Manila's fauna (7)
24: Dislikes laughter set-up (5)
26: Non-clerical song (3)