Bako's last 5 years, OPS: 2004: .571 2005: .662 2006: .490 2007: .533 2008: .627 Career: .622 On the defensive side, here is an article trying to put some type of quantification on a catcher's arm. Bako came out 6 runs below average last year, and 0.6 runs above average for the last 5 years(for reference, Soto was 1.9 runs below average in 2008). Not that this should be taken as gospel or even close to it, but it's something. A look at some remaining backup catchers. Toby Hall: .671 OPS career, .635 in 2008 (24.6 Runs above average with arm, 5 years) Chad Moeller: .631 career, .641 in 2008 (-0.6 runs above average with arm, 5 years) Sal Fasano: .687 career, .688 in 2008 Doug Mirabelli: .724 career, .638 in 2008 Vance Wilson: .679 career, .745 in 2008 Javier Valentin: .712 career, .737 in 2008 (-4.7 Runs above average with arm, 5 years) There's also guys like Pudge and LoDuca available as well.