Gallery: Steve Smith Sr. likely to retire from NFL

BALTIMORE, MD - AUGUST 29: Wide receiver Steve Smith #89 of the Baltimore Ravens looks on prior to the start of a preseason game against the Washington Redskins at M&T Bank Stadium on August 29, 2015 in Baltimore, Maryland. (Photo by Matt Hazlett/ Getty Images)Matt Hazlett
PITTSBURGH, PA - JANUARY 03: Steve Smith #89 of the Baltimore Ravens speaks with Troy Polamalu #43 of the Pittsburgh Steelers during their AFC Wild Card game at Heinz Field on January 3, 2015 in Pittsburgh, Pennsylvania. (Photo by Gregory Shamus/Getty Images)Gregory Shamus
BALTIMORE, MD - NOVEMBER 10: Wide receiver Steve Smith #89 of the Baltimore Ravens looks on after the Baltimore Ravens defeated the Cleveland Browns 28-7 at M&T Bank Stadium on November 10, 2016 in Baltimore, Maryland. (Photo by Patrick Smith/Getty Images)Patrick Smith
PITTSBURGH, PA - DECEMBER 25: Steve Smith #89 of the Baltimore Ravens catches a pass from Joe Flacco #5 for an 18 yard touchdown reception in the third quarter during the game against the Pittsburgh Steelers at Heinz Field on December 25, 2016 in Pittsburgh, Pennsylvania. (Photo by Joe Sargent/Getty Images)Joe Sargent
NEW ORLEANS, LA - NOVEMBER 24: Steve Smith #89 of the Baltimore Ravens reacts to a catch during the second quarter of a game against the New Orleans Saints at the Mercedes-Benz Superdome on November 24, 2014 in New Orleans, Louisiana. (Photo by Chris Graythen/Getty Images)Chris Graythen
NEW ORLEANS, LA - NOVEMBER 24: Steve Smith #89 of the Baltimore Ravens reacts to a catch during the second quarter of a game against the New Orleans Saints at the Mercedes-Benz Superdome on November 24, 2014 in New Orleans, Louisiana. (Photo by Chris Graythen/Getty Images)Chris Graythen
BALTIMORE, MD - NOVEMBER 01: Wide receiver Steve Smith #89 of the Baltimore Ravens is tended to by medial staff after being injured in the third quarter against the San Diego Chargers at M&T Bank Stadium on November 1, 2015 in Baltimore, Maryland. (Photo by Patrick Smith/Getty Images)Patrick Smith
BALTIMORE, MD - SEPTEMBER 27: Wide receiver Steve Smith #89 of the Baltimore Ravens scores a fourth quarter touchdown during a game against the Cincinnati Bengals at M&T Bank Stadium on September 27, 2015 in Baltimore, Maryland. (Photo by Rob Carr/Getty Images)Rob Carr
BALTIMORE, MD - NOVEMBER 10: Wide receiver Steve Smith #89 of the Baltimore Ravens is introduced before playing the Cleveland Browns at M&T Bank Stadium on November 10, 2016 in Baltimore, Maryland. (Photo by Patrick Smith/Getty Images)Patrick Smith
BALTIMORE, MD - SEPTEMBER 27: Wide receiver Steve Smith #89 of the Baltimore Ravens celebrates with quarterback Joe Flacco #5 of the Baltimore Ravens after scoring a fourth quarter touchdown during a game against the Cincinnati Bengals at M&T Bank Stadium on September 27, 2015 in Baltimore, Maryland. (Photo by Patrick Smith/Getty Images)Patrick Smith
BALTIMORE, MD - NOVEMBER 1: Wide receiver Steve Smith #89 of the Baltimore Ravens is introduced before a game against the San Diego Chargers at M&T Bank Stadium on November 1, 2015 in Baltimore, Maryland. (Photo by Matt Hazlett/Getty Images)Matt Hazlett
HOUSTON, TX - DECEMBER 21: Head coach John Harbaugh of the Baltimore Ravens and Steve Smith Sr.#89 wait on the field before the start of the game against the Houston Texans at NRG Stadium on December 21, 2014 in Houston, Texas. (Photo by Scott Halleran/Getty Images)Scott Halleran
FOXBORO, MA - JANUARY 10: Steve Smith #89 of the Baltimore Ravens walks off the field following the 2015 AFC Divisional Playoffs game against the New England Patriots at Gillette Stadium on January 10, 2015 in Foxboro, Massachusetts. (Photo by Jared Wickerham/Getty Images)Jared Wickerham
HOUSTON, TX - DECEMBER 21: Steve Smith Sr. #89 of the Baltimore Ravens catches a ball but was ruled out of bounds against the Houston Texans at NRG Stadium on December 21, 2014 in Houston, Texas. (Photo by Bob Levey/Getty Images)Bob Levey