Luckily , accidents are not sustainable , as we 've clearly been witness to with the 49ers over the last three years .
Every so often it seems like San Francisco 49ers owner Jed York accidentally does something right .
Accidents are not sustainable , as we 've clearly been witness to with the 49ers over the last three years .
Every so often it seems like San Francisco 49ers owner Jed York accidentally does something right .