Tim MacMahon
Tim MacMahon covers the Dallas Mavericks and the Dallas Cowboys for ESPNDallas.com.
Mavericks nurturing rookie's potential
The Mavericks are being careful when it comes to cultivating rookie Beaubois.
Several parts contribute to Boys woes
With so many offenders, it's hard to pinpoint the cause of Cowboys' slump.
Victories leave something to be desired
The Mavs feel they have work to do despite sharing West's top record.
Defenses taking notice of WR Austin
Miles Austin isn't doing anything wrong. It's the defenses: They've noticed.
Gooden relishes role as spot starter
In Erick Dampier's absence, Drew Gooden has answered the bell.
The Big German strikes a pose, Spurs
Dirk Nowitzki's prolific scoring ability is almost taken for granted.
Free likeliest of options at right tackle
The biggest fear Jerry Jones had entering the season was the depth of his O-line.
Report card: Cowboys vs. Packers
Report Card: Grading the Cowboys after their 17-7 loss to the Green Bay Packers.
Injured Boys can't pull away in division
The Cowboys hope their injuries against the Packers don't hurt in the long run.
Decrease in red-zone stats has TE antsy
While Jason Witten's value hasn't diminished, his big-play stats have.
Dirk provides support, should seek it too
The Mavs are asking too much of Dirk, who in turn needs to trust teammates.
Coach rips team, and Mavs go on tear
Rick Carlisle ripped into his team after one half; Mavs responded in the other.
Strength in numbers for Marion, Terry
Mavs' Terry, Marion are old friends. Now, they're having fun being teammates.
Report Card: Cowboys vs. Eagles
Report Card has arrived: Tim MacMahon hands out his grades for Cowboys-Eagles.
Romo and Williams improve connection
Williams and Romo had a better reception on their connection against Eagles.
Romo learning to handle pressure
The Eagles will bring pressure, but Tony Romo has learned how to deal with it.
Dampier's time with the Mavs dwindling
Overpaid or underappreciated? With Erick Dampier, it depends on whom you ask.
Romo takes high road; Williams honest
Tony Romo-Roy Williams flap is just the latest act in an endless Cowboys circus.
Fourth-quarter spark sets club record
Mavericks star Dirk Nowitzki has put the team on his back early this season.
Veteran duels with young counterparts
The Mavericks' Jason Kidd might have lost a step, but he has stayed sharp.
Report card: Cowboys vs. Seahawks
Report Card: The grades are in for the Cowboys' performance vs. Seattle.
WRs Austin, Crayton shine in new roles
The Cowboys' revamped WR lineup is turning out better than expected.
Howard expected to return in two weeks
The Mavs must fill the void without excuses during Josh Howard's absence.
Austin's hard work is starting to pay off
Miles Austin's journey to the NFL began in the Garrett family backyard.
Newest Maverick fails to provide boost
Shawn Marion couldn't make his new Mavs teammates better in opener.
Coach transforms underachieving unit
Under Joe DeCamillis, the Cowboys special teams unit now means business.
Howard's ankle, travel among worries
Despite early obstacles, the Mavericks seek to avoid stumbling out of the gate.
Report card: Cowboys vs. Falcons
Report Card: Handing out the grades for the Cowboys-Falcons game.
QB transforms into cautious playmaker
Miles Austin's emergence bodes well for Tony Romo's playmaking instincts.
Carlisle targets growth within season
Mavs are considered middle of the pack but feel they have mix to overachieve.
Facing Falcons 'going to be a lot of fun'
It hasn't taken Keith Brooking long to become the Cowboys' emotional leader.
Nowitzki continues to expand his game
Dirk Nowitzki continues to work on his low-post moves during the offseason.
Work in trenches buries Sooners' attack
Texas' front four on defense wreaked havoc on OU's inexperienced O-line.
Addition defensive about homecoming
Tenacious D: Mavericks' Ross no longer defensive off the court, but on it … watch out.
Beaubois going through growing pains
First-round pick Rodrigue Beaubois showed flashes of potential.
I-35 rivals have taken different roads
The road toward NFL riches has been rocky for two Dallas ISD standouts.
Endless potential for Mavs' new tandem
The Mavericks believe they have one of the best wing tandems in the Western Conference.
Bradford thrives on the big stage
Quarterback Sam Bradford has returned, and so has the Sooners' swagger.
Phillips: Schemes OK, but mentality isn't
Fourth-quarter rallies are driving the Cowboys defense to toughen up.
Receiver makes big splash in first start
Wade Phillips made it clear that Miles Austin wouldn't spend much time on the sideline.
Receiver enters Cowboys' record book
Cowboys receiver Miles Austin's potential finally broke through in Kansas City.
Report card: Cowboys vs. Chiefs
ESPNDallas.com's Tim MacMahon hands out his grades for Cowboys-Chiefs
Cowboy tight ends look to produce
Jason Witten and Martellus Bennett look to seize more opportunities
Carlisle: Mavericks on a mission
The Dallas Mavericks will have a renewed focus on the defensive end
Secondary trying to tackle bigger issue
Sloppy tackling continues to haunt the Dallas Cowboys.
Cuban: Gooden is best fit for present
Dependable defender's finesse on offense makes him an intriguing fit
Unit can't carry Dallas in crunch time
The Cowboys' defense was good against the Broncos, but it needed to be perfect.
Mavs hope newest big man fills void
The Mavs' versatile offseason acquisitions play right into coach Rick Carlisle's creativity.
Newest option for Mavs: roster flexibility
The Mavs' versatile offseason acquisitions play right into coach Rick Carlisle's creativity.
Cowboys power on despite injuries
The Cowboys' depth at running back means someone's always ready to pick up the load.
Tony Romo's rapid rise has hit a roadblock in his development as quarterback of the Dallas Cowboys.
DFW shares compelling icons, quests
Title-starved North Texas still talking a big game
