Jones
Andre and Rosario
Does anybody remember her? 
Dawson
Matt and Doc
Holliday
Brad and Maddie
I won’t be online in 10 hours so I’ll just spoil this one now…Ziegler.
Homer and Jeb
Bush
Torii and Evan
Hunter
Homer and Pearl
Bailey
John “Home Run” and James
Baker
Ty and Ty.
Cobb. (The second one being a lawyer.)
Joe and Grant
Morgan?
Jim and Terry
Gilliam
Ray and Graham
Chapman
Frank and Clarence
I was actually thinking of TInker. 
In play:
Thomas
Andre and Billy Bob
Thornton
Bip and John
Assuming the answer is Roberts, that was already used (post 279).
I’m just going to go with Roberts.
Mookie and Blair
That was Mookie and Blair Betts.
Chris and Brigham
Young.
I figured yours had to be either Wilson or Betts, as I have never heard of any other baseball-playing Mookie, but I’ve never heard of either Blair Wilson or Blair Betts, so I thought I’d better sit that one out.
Al and John
Yeah, not a lot of Mookies out there…had to be one or the other.
Blair Betts played in the NHL, partly for my Rangers.
Oliver
Brian and Cokie