For those interested:
06/07:
16 back-to-back games
7 starting the same goalie both games
9 starting different goalies in each game
Same - 48 goals on 408 shots (.882 SV%)
Different - 58 goals on 547 shots (.893 SV%)
07-08:
19 back-to-back games
12 starting the same goalie both games
7 starting different goalies in each game
Same - 63 goals on 664 shots (.905)
Different - 52 goals on 437 shots (.881)
08-09:
14 back-to-back games
10 starting the same goalie both games
4 starting different goalies in each game
Same - 40 goals on 578 shots (.930)
Different - 25 goals on 244 shots (.897)
09-10:
16 back-to-back games
7 starting the same goalie both games
9 starting different goalies in each game
Same - 42 goals on 443 shots (.905)
Different - 59 goals on 555 shots (.893)
10-11:
21 back-to-back games
18 starting the same goalie both games
3 starting different goalies in each game
Same - 92 goals on 1194 shots (.922)
Different - 18 goals on 191 shots (.905)
I'll get around to the remaining years later. But, so far, the numbers seem to support a couple things.
1. For Carolina, at least, playing the same goaltender both nights in a back-to-back situation is the smarter move. Again, this is almost certainly due to the awful goaltending tandems we've employed over the years. Peters and Leighton being the biggest offenders, though Ward had his share of terrible games.
2. This organization absolutely ran Ward into the ground in the past. 08-09 was the year where he started something like 40+ games with only the last game of the year as a rest (which Leighton lost, IIRC). And in 10-11, playing in 18 back-to-back situations (or almost half the season) is ridiculous, let alone facing almost 1200 shots in those 36 games.
It's no wonder Ward can't stay healthy.