I know this isn't exactly timely, since Jennings is on the DL and we had this discussion right after the trade for him, but I was just reading an article about the average ERA by rotation spot (so it got me thinking about it).
Lg #1 #2 #3 #4 #5
MLB 3.60 4.14 4.58 5.10 6.24
NL 3.51 4.04 4.57 5.11 6.26
Spot MLB NL
#1/#2 3.87 3.78
#2/#3 4.36 4.31
#3/#4 4.84 4.84
#4/#5 5.67 5.68
So, I looked it up. Jason Jennings had an ERA of 4.81 over the 4 years before the trade, and was even pretty consistent home/away (4.76 away, 4.87 in Coors).
For everyone who jumped my shit when I said he was a #3/#4 at best and who tried to convince me that Purpura was completely justified in calling Jennings a solid #2, try again. He's not. He had one year where he was a #1/#2. Stop drinking the Koolaid. Bushneck lackeys.
Have a nice Sunday. Go Astros. VIVA ALL CAPS!