It has been stated that NFL teams generally did not scout at black colleges during the time Younger played at Grambling.
Los Angeles Rams After Younger went undrafted by any NFL teams, Kotal, who had kept in contact with Younger, went to Grambling to pursue Younger into coming to play for the Rams. When playing in
the South for exhibition games in 1949, Younger and his black teammates could not stay in the same hotels as their white teammates. Younger did not experience any hostility from his Rams' teammates, which helped his transition into the NFL. Younger said that Rams' teammate
Don Paul's acceptance and respectful treatment of Younger set the tone for the entire team's positive attitude towards him. He played in the
1949 NFL Championship Game, won by the
Philadelphia Eagles, 14–0. He caught one pass in that game. In the second game of his career, against the
Green Bay Packers, Younger was blocking on a running play when he was hit with a forearm in the face by the Packers' 6 ft 4 in (1.93 m) 290 lb (131.5 kg)
Ed Neal, who was known for his particularly powerful arms and was considered arguably the strongest man in the NFL. At the time, NFL players did not wear any kind of face protection. There was no assertion reported that Neal did this with any intention to injure Younger. Younger's nose was seriously injured and he was badly bloodied. He was also knocked unconscious for a considerable time. It has been reported that violence of this play led to the Rams and then other NFL teams introducing the crossbar
face mask into the league. Younger played the next week against the
Chicago Bears, though reportedly without a face mask. He was one of the NFL's top linebackers that season. He was the starting right linebacker in the Rams 24–14
playoff victory over the
Chicago Bears in 1950, and 30–28 loss to the
Cleveland Browns in the
1950 NFL Championship Game. The Rams lost on a last-minute field goal. During a 1950 game on a muddy field, Stydahar got the idea to use the three big running backs simultaneously in the backfield. This formation became known as the Bull Elephant backfield; each runner weighing at least 225 pounds (102 kg) (or at least 220 lb in Hoerner's case). The 200 lb (90.7 kg) Rams' quarterback
Bob Waterfield was sometimes included as part of the Bull Elephant backfield. The Rams won the NFL championship in 1951. Younger played both running back on offense and left linebacker on defense that season, averaging 50 minutes per game. and was named first-team
All-Pro at linebacker by the
Associated Press (AP). Each of the three Bull Elephants averaged over six yards per carry in 1951. This was the last game for the Bull Elephants as a trio, with Hoerner being traded to the
Dallas Texans before the
1952 season. In 1952, Younger played at fullback and left linebacker. He rushed for 331 yards on 63 carries, with one touchdown; and had 73 yards on 12 receptions. He had two interceptions on defense. He was again selected to play in the
Pro Bowl, and was named second-team All-Pro by
United Press International (UPI). In 1953, Younger was primarily used at fullback. He started five games, and rushed for 350 yards in 84 carries, with eight rushing touchdowns. He also had 259 yards on 20 receptions, with one receiving touchdown. He was selected for the third consecutive year to play in the
Pro Bowl. In 1954, Younger had his best rushing season to date in his career. He rushed for a team-leading 610 yards, and his 6.7 yards per carry average was a career-high and led all NFL runners that season. He played in and started only eight games that season, missing the last four games after suffering a season-ending dislocated knee during a November game against the
Chicago Cardinals. Younger rushed for over 100 yards in each of the three preceding games, including a 186-yard game against the
Chicago Bears and a 140-yard game against the
Detroit Lions. While he could not play in the Pro Bowl because of this injury, he was still selected second-team All-Pro by the AP and UPI, as a running back. In 1955, Younger missed four games with a dislocated wrist and a neck injury. He started seven of the eight games in which he appeared. Younger had career highs in rushing yards (644) and carries (138). He led the NFL with a 80.5 yards per game rushing average. However, his yards per carry went from 6.7 in 1954 to 4.7 in 1955. The Rams reached the
1955 NFL Championship Game, once again playing the
Cleveland Browns, in a 38–14 loss; with the injured Younger unable to play in the game. In 1956, Younger started 10 of the 12 games in which he appeared. He rushed for 518 yards on 4.5 yards per carry, with three rushing touchdowns. He also had 268 receiving yards on 18 receptions. His 786 total yards from scrimmage was a career high. This was his final season with the Rams. Younger played 100 games with the Rams over nine years. He is the tenth-leading rusher in Rams history with 3,296 yards (through 2025). He averaged 4.7 yards per carry, with 34 rushing touchdowns. He had 84 receptions for 979 yards. He also had three interceptions. During his one season with the Steelers, Younger started seven games. He had 344 rushing yards, with a 3.9 yards per carry average and three rushing touchdowns. He also had 16 receptions for 188 yards. Younger retired after his one season with the Steelers. He has stated, "I could have played two or three more years . . . but football always was a fun game to me. When I got to the point where football was no longer fun, I quit". In his ten-year professional career with the Rams and the Steelers, Younger was named to the Pro Bowl four times (1951, 1952, 1953, and 1955), rushed for 3,640 yards on 770 carries, caught 100 passes for 1,167 yards, scored 35 touchdowns (34 rushing, 1 receiving), and intercepted three passes on defense (also throwing an interception on his only NFL pass attempt in 1957). He was said to be 6 ft 3 in (1.91 m) 225 lb (102 kg) during his NFL career. == Football scout and executive ==