Quarterbacks Alex Smith and Colin Kaepernick are at the San Francisco 49ers' headquarters and practice facility already. In fact, Kaepernick said he will be at team facility at 6:45 am this morning waiting for doors to open at 7am. Players may report for physicals and voluntary strength and conditioning.

Training camp begins on Thursday, July 28.

Smith is expected to sign with the 49ers as soon as possible. He has been leading offseason practices during the NFL lockout.

The NFL trading period officially opened today at 7 AM Pacific.

Teams are currently allowed to sign their own draft picks as well as any undrafted free agents. Below is a list of players that the 49ers have already agreed to terms with (per Matt Barrows of the Sacramento Bee and Matt Maiocco of CSN Bay Area).

DT Brian Bulcke, Stanford
C Chase Beeler, Stanford
NT Ian Williams, Notre Dame
G Donovan Edwards, Cal
DE DeMarcus Dobbs, Georgia
WR Joe Hastings, Washburn
WR Dontavia Bogan, South Florida
WR Tyler Beiler, Bridgewater
TE Konrad Reuland, Stanford
DT-NT Sealver Siliga, Utah
QB Jeremiah Masoli, Ole Miss
OT Derek Hall, Stanford

The roster limit has been expanded to 90 players.

Teams can also begin negotiating with free agents, but cannot officially sign free agents until 3 PM Pacific on Friday.