I know there are a million different rankings out there...but this is one man's opinion. This is taken from @ryanlownes who I think has some good insight into the draft...these rankings are all pre-combine, obviously.

QB
1.) Geno Smith - #WVU - Accurate passer has arm talent and shows tremendous poise/command at times. Throws deep ball w/anticipation. Top 10

2.) Tyler Wilson - #Arkansas - Looks, moves, and acts like an NFL QB. Has displayed exceptional toughness and maneuverability. Top 15

3.) Matt Barkley - #USC - Like Wilson, shined in 2011 but took a step back in 2012. May have exposed physical limitations as a Sr. 1st Round

4.) Mike Glennon - #NCState - Tall, heavy-footed pocket passer w/the arm & deep accuracy to stretch defenses vertically. Mid 1st-Early 2nd

5.) Zac Dysert - #MiamiOH - May not've made the most of Sr. Bowl opportunity, but possesses mobility, accuracy, & poise. Early 2nd-Early 3rd

RB
1.) Giovani Bernard - #UNC - Elusive back with impressive vision, burst, and versatility. Shows patience and balance. Late 1st-Mid 2nd

2.) Eddie Lacy - #Alabama - Rugged, powerful back has excellent balance. Surprisingly elusive, possessing nimble feet. Late 1st-Mid 2nd

3.) Joseph Randle - #OKState - Explosive, upright runner shows acceleration and breakaway speed. Added a physical element as Jr. 2nd Round

4.) Andre Ellington - #Clemson - Shifty and resilient runner w/excellent burst, vision. Dangerous with the ball in his hands. Mid 2nd-3rd Rd

5.) Montee Ball - #Wisconsin - Cutback runner with vision, balance, and agility. Makes defenders miss and breaks tackles. Mid 2nd-3rd Rd

WR
1.) Cordarrelle Patterson - #Tennessee - Dynamic WR with immense upside. Raw, but excellent burst, speed, elusiveness at 6'3 200+. Top 20

2.) Keenan Allen - #California - Knee injury cut short college career, but big, athletic WR still one of this class' most promising. 1st Rd

3.) Markus Wheaton - #OregonState - Smooth athlete possessing deep speed, body control. Creates separation w/quickness. Late 1st-2nd Rd

4.) Tavon Austin - #WVU - Electric player projects as a versatile offensive weapon. Extremely fast, quick, and elusive. Late 1st-Early 2nd

5.) DeAndre Hopkins - #Clemson - Deceptive route runner with strong hands, quick feet, and excellent body control. Late 1st-2nd Rd

TE
1.) Tyler Eifert - #NotreDame - Big, athletic target is a threat both in the redzone and deep downfield. Late 1st-Early 2nd

2.) Zach Ertz - #Stanford - Well-rounded TE can run, catch, and block. Possesses good size and displays reliable hands. Late 1st-2nd Rd

3.) Gavin Escobar - #SanDiegoState - Underrated WAC product excels as a receiver and possesses ideal size/athleticism. Late 2nd-3rd Rd

4.) Travis Kelce - #Cincinnati - Complete TE has starter potential in the NFL and is equally adept as a blocker and receiver. 3rd-Early 4th

5.) Jordan Reed - #Florida - Athletic former QB shines after the catch but has deficiencies as a run blocker. 3rd-Early 4th

OT
1.) Luke Joeckel - Texas A&M - Elite blind-side protector with ideal size, feet, agility, and technique. One of this draft's "safest." Top 5

2.) Eric Fisher - #CentralMichigan - A strong showing in Mobile solidified what film had shown all year, Fisher is the real deal. Top 15

3.) Lane Johnson - #Oklahoma - Former QB, TE has excellent athleticism, feet for the left side and a competitive temperament. 1st Round

4.) Dallas Thomas - #Tennessee - Big, versatile lineman shows flexibility and has played at a high level consistently. 2nd-3rd Rd

5.) D.J. Fluker - #Alabama - Massive, road-grading right tackle in the Phil Loadholt mold. Good fit in man-power schemes. 2nd-3rd Rd

OG/C
1.) Chance Warmack - #Alabama - Dominant interior blocker grades out as high on tape as any player in this draft. Top 20

2.) Jonathan Cooper - #UNC - 1B to Warmack's 1A. Athletic OG w/good technique, grades out highly every game. Appeals to any scheme. Top 20

3.) Larry Warford - #Kentucky - Wide-bodied OG with light feet. Tremendous run blocker negates pass rushers as well. Late 1st-Early 2nd

4.) Justin Pugh - #Syracuse - Short arms could push the decorated LT inside where he may project well, especially in a ZBS. 2nd-3rd Rd

5.) Barrett Jones - #Alabama - The draft's most versatile lineman is a three time All-American who has played all over the line. 2nd-3rd Rd

DE
1.) Barkevious Mingo - #LSU - Explosive, but raw edge rusher with a rare blend of length and speed. May fit best in 3-4 at OLB. Top 15

2.) Bjoern Werner - #FloridaState - German-born standout is good in pursuit, has a quick 1st step, and some variety as a pass rusher. Top 15

3.) Dion Jordan - #Oregon - May be more of a LB at the next level. 6'7 240+ with exceptional length, athleticism, versatility. 1st Round

4.) Damontre Moore - Texas A&M - Productive pass rusher in a variety of roles. Plays with a nonstop motor and excellent awareness. 1st Round

5.) Cornelius Carradine - #FloridaState - May be this class' most gifted pass rusher, but his knee injury is a concern. Mid 1st-3rd Rd

DT
1.) Sheldon Richardson - #Missouri - Talked the talk this year and walked the walk. Extremely athletic 3-Tech will light up Combine. Top 15

2.) Star Lotulelei - #Utah - Stout defender with an intriguing blend of size and athleticism. Can be a dominant force at times. Top 15

3.) Sharrif Floyd - #Florida - Explosive, powerful, and versatile interior DL has a high ceiling. Could fit at either 3T or 5T. 1st Round

4.) Johnathan Hankins - #OhioState - A bit of an enigma. Active player has a massive body and light feet, but does not play mean. 1st Round

5.) Sylvester Williams - #UNC - Disruptive penetrator with tremendous quickness and ideal size for the 3-Tech position. Late 1st-Early 2nd

ILB
1.) Manti Te'o - #NotreDame - If you can ignore the current media circus, Te'o is still a leader w/size, athleticism, & instincts. 1st Round

2.) Kevin Minter - #LSU - Consistently the best player on the Tigers D when I watched. Reliable, rangy, and physical. Late 1st-Early 2nd

3.) Alec Ogletree - #Georgia - Big, athletic LB projects inside or out. Freelances a bit, must play w/more discipline. Late 1st-Early 2nd

4.) Kevin Reddick - #UNC - Big, strong, athletic ILB is excellent in pursuit but has questionable awareness in coverage. 2nd-3rd Rd

5.) Kiko Alonso - #Oregon - May be seen by some as an OLB, Alonso is a playmaker with size, range, and stopping power. 3rd-4th Rd

OLB
1.) Arthur Brown - #KansasState - Rangy, athletic backer shines in coverage and vs. the run. Could project at either ILB/OLB. 1st Round

2.) Jarvis Jones - #Georgia - Relentless, productive edge rusher is a bit of a 'tweener' in NFL terms. Spinal steniosis a concern. 1st Round

3.) Khaseem Greene - #Rutgers - Former safety may lack size, but he is one of the class' best in coverage & shows tremendous range. 2nd-3rd

4.) Chase Thomas - #Stanford - Instinctual backer is an excellent blitzer that stacks and sheds, disengages well. 2nd-3rd Rd

5.) Gerald Hodges - #PennState - Linebacker U putting out another good one. Was athletic enough for PSU to consider him at KR/PR. 3rd-4th Rd

CB
1.) Dee Milliner - #Alabama - Tall corner who uses his size well. Displays good awareness, ball skills, and versatility. Top 15

2.) Xavier Rhodes - #FloridaState - Big, athletic Jr. is a bit raw but possesses tools to be a shutdown CB in the NFL. Late 1st-Early 2nd

3.) Desmond Trufant - #Washington - Competitive corner impressed in Mobile with confidence, physicality, cover skills. Late 1st-Early 2nd

4.) Johnthan Banks - #MississippiState - Tall corners that can run are at a premium, Banks, a decorated Sr. fits that mold. 1st-2nd Rd

5.) David Amerson - #NCState - Will not fit at CB in all schemes, but possesses a coveted blend of height and ball skills. 2nd-3rd Rd

FS/SS
1.) Kenny Vaccaro - #Texas - Maybe the most complete & versatile Safety available. Vaccaro's big, athletic, physical, + can cover. 1st Round

2.) Eric Reid - #LSU - Big, athletic free safety is a reliable tackler that is capable of covering a lot of ground. Late 1st-Early 2nd

3.) Matt Elam - #Florida - Not the biggest, but one of the most physical DBs in the class. Punishing hitter than can run & cover. 2nd-3rd Rd

4.) Jonathan Cyprien - #FIU - Impressed in Mobile, inspiring many (incl. myself) to take a closer look. Physical & aggressive. 2nd-3rd Rd

5.) Phillip Thomas - #FresnoState - Nation's leader in Ints as a Sr. possesses good size and displays instincts, ball skills. 2nd-3rd Round