It might take Swihart or Vaz a long time to build up to what Leon has established with them.
Maybe it can happen much quicker than I think, then again, maybe it never happens.
There's a reason Swihart has never caught Leon. There's a reason Sale has been caught by Leon in 49 games (2.42 ERA) to Vaz's 11 games (3.40). Maybe these numbers are insignificant, but I, for one, am not wanting to it put to a test.
Vaz has caught Price more than Leon, and that switch doesn't scare me as much, but Leon does get more from Price:
w Leon: 30 games (2.83)
w Vaz: 47 games (4.32)
w Swihart: 2 games (5.73) Only two games is telling as well.
Certainly losing Leon's bat would almost certainly bring a plus on offense, but personally, I'd like to keep Vaz and Leon.
I don't trust Leon for more than 80 games, let alone 100+, so trading Vaz would scare me more. I wouldn't be crushed, if we traded Leon, but I just don't see us getting something for him that would make up for the probable loss from Sale and Price.