San Francisco 49ers head coach Jim Harbaugh sits with his 5-year-old daughter, Addison, during halftime of Stanford's NCAA college basketball game against Utah on Saturday, March 8, 2014, in Stanford, Calif. (AP Photo/Eric Risberg)
San Francisco 49ers coach Jim Harbaugh sits with his 5-year-old daughter, Addison, during halftime of Stanford's NCAA college basketball game against Utah on Saturday, March 8, 2014, in Stanford, Calif. (AP Photo/Eric Risberg)
San Francisco 49ers head coach Jim Harbaugh answers a question during a news conference at the NFL football scouting combine in Indianapolis, Thursday, Feb. 20, 2014. (AP Photo/Michael Conroy)
San Francisco 49ers head coach Jim Harbaugh, right, talks with Baltimore Ravens head coach John Harbaugh at the NFL football scouting combine in Indianapolis, Saturday, Feb. 22, 2014. (AP Photo/Nam Y. Huh)
San Francisco 49ers coach Jim Harbaugh gestures during an NFL football news conference Tuesday, Jan. 21, 2014, in Santa Clara, Calif. (AP Photo/Ben Margot)
San Francisco 49ers coach Jim Harbaugh gestures during an NFL football news conference Tuesday, Jan. 21, 2014, in Santa Clara, Calif. (AP Photo/Ben Margot)
San Francisco 49ers coach Jim Harbaugh listens to questions during an NFL football media conference, Tuesday, Jan. 21, 2014, in Santa Clara, Calif. (AP Photo/Ben Margot)
San Francisco 49ers coach Jim Harbaugh gestures during an NFL football news conference Tuesday, Jan. 21, 2014, in Santa Clara, Calif. (AP Photo/Ben Margot)