Know Your Enemy: St. Louis Rams, 2014 NFL Draft Rounds 2 & 3

The Pick: RB Tre Mason, Round 3, No. 75 Overall
Who He Is: A 5-foot-8, 208-pound running back from the national-champion runner-up Auburn Tigers. He's the second player the Rams have selected out of Auburn this year (Robinson, No. 2 overall).

What He's Done: The first non-quarterback to lead Auburn in total offense since Bo Jackson in 1985. Piled up 1,816 yards and 23 touchdowns on 5.7 yards per carry for the Tigers on his way to SEC Offensive Player of the Year honors in 2013.

The Pick: DB Lamarcus Joyner, Round 2, No. 41 Overall
Who They Are: The Rams acquired the pick in a trade with the Bills, shipping their second- (No. 44 overall) and fifth-round (No. 153) selections to Buffalo to target the 5-foot-8, 184-pound defensive back out of Florida State.

What He's Done: Versatile cover man who racked up 69 tackles, two interceptions, seven tackles for loss, 5.5 sacks, and three forced fumbles for the national champion Seminoles in 2013.