Wednesday's health and safety news from the world of football:
- The Chicago Sun-Times reported that Bo Jackson, the only athlete to play in the NFL Pro Bowl and the MLB All-Star Game, is working as a coach this week with Chicago White Sox players at spring training camp in Glendale, Ariz. The 51-year-old Jackson doubts that anyone else will be successful as a two-sport player because athletes are getting faster and stronger.
He also told the Chicago Tribune that Seattle Seahawks quarterback Russell Wilson should forget his flirtation with baseball and the Texas Rangers.
- The Associated Press published a report from the Department of Health and Human Services that said 1.9 million young people sought emergency-room treatment for sports injuries in 2012.
- ABC News reported how San Francisco 49ers coach Jim Harbaugh did pushups with a walrus during a recent visit to Six Flags in Vallejo, Calif., with his family.
- DenverBroncos.com reported the team will host the eighth annual Maltz Challenge, a fitness competition in honor of late Air Force Pararescue crewmembers.
- The Regina Leader-Post in Saskatchewan talked to former CFL star quarterback Anthony Calvillo, who ended a 20-year career after suffering a severe concussion against the Roughriders last summer.
-- Bill Bradley, contributing editor
