Even Blood Bowl is kind-of-a alternative Old Warhammer World setting, it is good Old Warhammer. Black Library has published number of Blood Bowl novels. There is Quick Reads and still some copies left from the original classic novels. Stories are fun reading.
I don't know are more coming, but here's the current situation:
Blood Bowl: The Boxed Set by Matt Forbeck
Prepare yourself, sports fans, for the ride of your life! Well, of Dirk Hoffnung's life, more accurately, as you follow him on his journey from nobody to internationally renowned Blood Bowl star in this series of four classic novels, collected together in brand new hardback editions encased within a lavish boxed set.
Classic Novels include: Blood Bowl, Dead Ball, Deathmatch and Rumble in the Jungle
This collection is also available in ebook format.
Da Bank Job by Andy Hall
Orc captain Brobag plans to save his failing team from relegation by winning an invitational against the Reikland Reavers. The only problem is, there’s no way they can defeat their opponents... unless they cheat.
Doc Morgrim's Vow by Josh Reynolds
When a Blood Bowl team from the Old World takes a trip to the cold north, the stakes are more than just victory for Doc Morgrim – his very freedom is at stake.
Fixed by Robbie MacNiven
Badly injured star player Greig Garr must find a way to play in the next match or he won’t be able to pay back his debts. A mysterious stranger offers to cure his leg, but what will the true cost of his amazing help be?
Manglers Never Lose by Josh Reynolds
Tyrus Bundt, coach of the Middenplatz Manglers, finds his star player dead on the eve of the Doombowl finals. With no time to recruit a replacement, he can only think of one last, desperate option – find a necromancer!