Niners hosting safety Craig Dahl

The 49ers need a replacement for safety Dashon Goldson.  They’ve shifted from higher-profile candidates like Charles Woodson and Louis Delmas to lesser-known Craig Dahl. Per Howard Balzer, via the San Francisco Chronicle, the 49ers have brought in Dahl for a visit. Dahl started 16 games for the Rams in 2012 and 13 in 2010.  He…