From left to right, Baltimore Ravens quarterback Joe Flacco, former linebacker Ray Lewis and linebacker Terrell Suggs check out their Super Bowl XLVII championship rings after receiving them at a ceremony at the team's NFL football practice facility in Owings Mills, Md., Friday, June 7, 2013. The Ravens defeated the San Francisco 49ers 34-31 to win their second franchise Super Bowl. (AP Photo/Patrick Semansky)

Former Baltimore Ravens linebacker Ray Lewis wears his Super Bowl XLVII championship ring, right, along with his Super Bowl XXXV ring, as he speaks at a news conference after receiving the ring at a ceremony at the team's NFL football practice facility in Owings Mills, Md., Friday, June 7, 2013. The Ravens defeated the San Francisco 49ers 34-31 to win their second franchise Super Bowl. (AP Photo/Patrick Semansky)

Former Baltimore Ravens linebacker Ray Lewis displays his Super Bowl XLVII championship ring after receiving it at a ceremony at the team's NFL football practice facility in Owings Mills, Md., Friday, June 7, 2013. The Ravens defeated the San Francisco 49ers 34-31 to win their second franchise Super Bowl. (AP Photo/Patrick Semansky)

The Baltimore Ravens' Super Super Bowl XLVII championship ring is displayed after a ceremony at the team's NFL football practice facility in Owings Mills, Md., Friday, June 7, 2013. The Ravens defeated the San Francisco 49ers 34-31 to win their second franchise Super Bowl. (AP Photo/Patrick Semansky)

Former Baltimore Ravens linebacker Ray Lewis displays his Super Bowl XLVII championship ring after receiving it at a ceremony at the team's NFL football practice facility in Owings Mills, Md., Friday, June 7, 2013. The Ravens beat the San Francisco 49ers 34-31 to win their second franchise Super Bowl. (AP Photo/Patrick Semansky)

Baltimore Ravens linebacker Terrell Suggs speaks at a news conference after receiving his Super Bowl XLVII championship ring at a ceremony at the team's NFL football practice facility in Owings Mills, Md., Friday, June 7, 2013. The Ravens beat the San Francisco 49ers 34-31 to win their second franchise Super Bowl. (AP Photo/Patrick Semansky)

Baltimore Ravens quarterback Joe Flacco speaks at a news conference after receiving his Super Bowl XLVII championship ring at a ceremony at the team's NFL football practice facility in Owings Mills, Md., Friday, June 7, 2013. The Ravens beat the San Francisco 49ers 34-31 to win their second franchise Super Bowl. (AP Photo/Patrick Semansky)

The Baltimore Ravens' Super Super Bowl XLVII championship ring is seen on display after a ring ceremony at the team's NFL football practice facility in Owings Mills, Md., Friday, June 7, 2013. The Ravens beat the San Francisco 49ers 34-31 to win their second franchise Super Bowl. (AP Photo/Patrick Semansky)

Baltimore Ravens wide receiver Torrey Smith looks at his his Super Bowl XLVII championship ring after during a news conference after receiving it at a ceremony at the team's NFL football practice facility in Owings Mills, Md., Friday, June 7, 2013. The Ravens beat the San Francisco 49ers 34-31 to win their second franchise Super Bowl. (AP Photo/Patrick Semansky)