What makes you so sure of that? I assume you want a LHRP for the sake of getting left handed hitters out. Osich and Okert can both be elite against lefties. Both of their flaws, especially Osich comes against righties. Will smith was a rare lefty reliever who actually did better against righties the past two years while still being good against lefties. That's why smith was a solid set up man option. Fortunately, the Giants have Derek Law as a set up guy who's also very good against lefties. Though it's true you can never have too may bullpen options, I still like the way this bullpen is built even without smith. Law for the 8th, melancon for the 9th. The 6th and 7th can be pieced together with specialists. Strickland and Gearrin against righties and Okert and Osich against lefties. Also, Kontos has done well the past two seasons against both lefties and righties.