"It's just awesome," Wallace said. "You can never dream about how things worked out. I mean, it was tough. It was a tough couple weeks but what happened is behind me and now I'm moving forward and focusing on being here in Green Bay and being the best provider as a backup to A-Rod."
Wallace (5-11, 205), a 10th-year player out of Iowa State, was drafted by Seattle in the fourth round (No. 110 overall) in 2003. Wallace, who was drafted by Ted Thompson when he and Mike Holmgren ran the show in Seattle, played for the Seahawks from 2003 through 2009 and the Cleveland Browns in 2010 and 2011.
Wallace was out of the league last year after failing to make the Browns' roster. He spent time with New Orleans this spring and San Francisco for less than a week during the preseason. Now, he's back and will be in uniform against the team that cut him last week.
"Excited," he said. "Just being back out here in the Midwest where it all started for me, really -- I played at Iowa State -- so to be back out here in the Midwest and be with Aaron Rodgers and just this organization is awesome. They've been doing a great job around here for years. So I'm just excited to be here."
Wallace has played in 62 career games, compiling a 6-15 record in 21 career starts He completed 452-of-764 passes (59.2 percent) for 4,808 yards, with 31 touchdowns, 18 interceptions and a passer rating of 81.3. Wallace went 1-6 for the Browns in 2010 and 2011.
Wallace didn't last long with the 49ers, and accused them of signing him to help force Colt McCoy into restructuring his contract. At the time, 49ers coach Jim Harbaugh said Wallace was retiring.
"Yeah, that was a surprise," Harbaugh said after the 49ers' victory over the Chargers last week. "It was his decision. He felt strongly about it, and I don't talk guys out of it. I've never seen it done on game day, but I wish him well."
Wallace took the high road on that issue, calling it a "miscommunication" and saying the situation "wasn't the right fit" for him.
Wallace will wear No. 9 for the Packers.
On Sunday, the Packers signed quarterback Scott Tolzien to the practice squad. Tolzien spent all of 2011 and 2012 with the 49ers but was released in favor of Colt McCoy and B.J. Daniels. To make room for Wallace, the Packers released B.J. Coleman.
Also signed to the practice squad were guard Bryan Collins, receivers Charles Johnson and Myles White, cornerback James Nixon and tight end Jake Stoneburner.
Collins, a 6-foot-3, 301-pound rookie out of SMU, entered the NFL as an undrafted free agent with the Houston Texans, appearing in two of the team's preseason contests in 2013. He started 20 games during his collegiate career and earned second-team All-Conference USA honors as a senior in 2012. Collins will wear No. 68 for the Packers.
Johnson, Nixon, Stoneburner and White were with the Packers during training camp. Tolzien led the Badgers to the Rose Bowl following the 2010 season and spent 2011, 2012 and training camp 2013 with the 49ers.
While coach Mike McCarthy said Tolzien can "definitely" give some insight on the 49ers, Tolzien downplayed the possibility of being able to provide much helpful intelligence.
"The NFL is such a business that every team in camp knows that you start out with 93 guys and it whittles down to 53 plus eight," Tolzien said, "so the math tells you there's going to be guys going all different directions and the coaches know that and they plan accordingly because they know that's a high possibility of a guy going to a team you're going to play early on in the season. The bottom line is they don't show a whole lot and you don't know a whole lot of what the game plan is going to play."
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Bill Huber is publisher of Packer Report magazine and PackerReport.com and has written for Packer Report since 1997. E-mail him at email@example.com, or leave him a question in Packer Report's subscribers-only Packers Pro Club forum. Find Bill on Twitter at twitter.com/PackerReport.