Roberts has also been doing tee work and short-toss hitting drills, according to manager Buck Showalter, who said the infielder has also been getting work in at the team's Minor League facility at Twin Lakes Park. Roberts is recovering from a concussion and has been sidelined for most of the past two seasons, with his recovery and rehab updates sporadic.
Orioles executive vice president of baseball operations Dan Duquette did say Monday that the second baseman is on a "physical progression," although he acknowledged that the organization doesn't know if Roberts will have the tolerance and capability to do certain things.
A dynamic leadoff hitter, a healthy Roberts would afford the Orioles a chance to keep Robert Andino as a super-utility player, strengthening the bench's depth and versatility,
Andino is coming off a career season and is considered the primary backup to Roberts, who appeared in just 39 games in 2011. Roberts was not available for comment on Monday.
Brittany Ghiroli is a reporter for MLB.com. Read her blog, Britt's Bird Watch, and follow her on Twitter @britt_ghiroli. This story was not subject to the approval of Major League Baseball or its clubs.