Theres an expression in football that if you have two quarterbacks, you have none. Finding a quarterback is hard; when you find a great?one, you commit to him and build your offense around him.That same adage does not apply to the running back position,?however,?as the days of a team relying almost exclusively on one?back are seemingly gone. Just five running backs had more than?250 carries during the 2015 season, while there were?19 in 2002. Multiple running backs splitting time isnt the exception -- its a?rule, which means a dynamic one-two punch out of?the backfield is an integral ingredient to success.With LeVeon Bell returning from suspension in Week 4, we thought it was the perfect time to see where the backfield partnership of Bell-DeAngelo Williams ranks in the league. Heres my 1-32 ranking:1. Atlanta FalconsDevonta Freeman and Tevin Coleman: Freeman burst onto the scene in 2015, totaling 14 touchdowns in a memorable campaign. Coleman, a 2015 second-round pick, has flourished early on this season, as both players are seamless fits in Atlantas offense. Theyre decisive, one-cut runners.2. Pittsburgh SteelersLeVeon Bell and DeAngelo Williams: Theres an easy case for Bell, who returns this weekend after a three-game suspension, as the best running back in football; hes an outstanding rusher and just as capable a receiver. Hes a uniquely talented back, but the excellent Williams is no slouch either. Few players can make defenders miss in the hole as easily as Williams, who has three touchdowns in Bells absence. Wholesale Patriots Jerseys . During the athletes parade, the 23-strong Ukrainian team was represented by a lone flagbearer in an apparent protest at the presence of Russian troops in Ukraines Crimean peninsula. New England Patriots Shirts . The showiest items on Calgarys lot were forwards Mike Cammalleri and Lee Stempniak. Both will be unrestricted free agents this summer. https://www.patriotsjerseysale.com/ . SIMONS ISLAND, Ga. New England Patriots Store . Rousey will put her perfect 8-0 record and hardware on the line against another undefeated fighter, 7-0 Sara McMann in the main event of UFC 170, which will be held at the Mandalay Bay Events Center in Las Vegas Nevada on February 22nd. Patriots Jerseys 2019 . "Jeff is a hard worker who was an important special-teams contributor for us last season," said Stamps GM John Hufnagel.Andy Murray defeated John Isner for the seventh time on Friday to reach the ATP Erste Bank Open semi-finals and keep alive his bid to snatch Novak Djokovics world No 1 ranking. Murray, the 2014 champion in Vienna, eased past Isner 6-1 6-3 in 73 minutes and now goes on to face defending champion David Ferrer for a place in the final on Saturday after the Spaniard came through an epic contest against Viktor Troicki.If he wins the tournament and Paris Masters crown next week, Murray could unseat Djokovic as the top-ranked player as long as the Serbian loses before the final in the French capital. Watch NOW TV Watch Sky Sports for just £6.99. No contract. Isner crumbled in a one-sided opening set which lasted just 27 minutes. The American made an uncharacteristic 20 unforced errors, while Murray was perfect on his first serve and almost as immaculate on his second.The punishment continued in the second set after Isner received treatment for a blister on his right hand following the opening game. How Murray beat Isner... Relive the action as Andy Murray beat John Isner to reach the semi-finals in Vienna Murray was working his opponent around the Vienna court at a waltz, although the world No 27 avoided a ninth game against him on the spin and the potential of a dreaded bagel by holding serve, which was received with an ironic cheer from the home crowd.The Wimbledon and Olympic champion knocked the stuffing out of Isner in a lengthy fifth game lasting over eight minutes before seeing out the match with consummate ease, showcasing his all-court skills and confidence to stretch his unbeaten streak to 14 matches. Watch Murrays magical match point winner against Isner Ferrer was pushed all the way against a revitalised Troicki, who was looking to continue his excellent run in the tournament after wins over Kevin Anderson and home favourite Dominic Thiem.dddddddddddd The fifth seed won through 3-6 6-3 7-5.In the days other matches, big-serving Ivo Karlovic from Croatia saved a match point and fired 29 aces against promising 20-year-old Russian Karen Khachanov to win 6-7 (5-7) 7-6 (7-5) 6-3. Karlovic now has a season-leading 1,081 aces.He will next face sixth seed Jo-Wilfried Tsonga for a place in the final after the Frenchman beat Spains Albert Ramos-Vinolas 6-2 7-6 (7-5). Check our game-by-game updates from Andy Murrays semi-final match against David Ferrer at the Erste Bank Open in Vienna on skysports.com/tennis, our app for mobile devices and iPad and our Twitter account @skysportstennis this Saturday or catch the action, live on Sky Sports 4 HD from 1pm.By purchasing a Sky Sports Day Pass for £6.99 or Sky Sports Week Pass for £10.99, you can enjoy access to all seven Sky Sports channels and watch on a TV with a NOW TV Box or on a range of devices. Also See: How Murray beat Isner... Murray v Djokovic: The race is on ATP schedule Tennis on Sky ' ' '