The defending NFC champion San Francisco 49ers appear to have an unhappy running back on their hands. Running back Raheem Mostert is requesting a trade due to an unsatisfactory contract per his agent, Brett Tessler.

Tessler tweeted his displeasure regarding his client’s situation and pointed to Mostert being essentially paid as a special teams player – the latter’s role on the team at one point.

Mostert rushed for 772 yards and eight touchdowns last season while splitting carries with other 49ers backs including Matt Breida (traded to Miami in the offseason) and Tevin Coleman.

Even though he had just one 100-yard rushing game last season, Mostert exploded in the NFC Championship victory over Green Bay with 220 yards and four touchdowns.

As a point of reference, Carolina Panthers running back Christian McCaffrey is the NFL’s highest-paid running back. He makes $16 million per season.

Mostert is not getting that but I’d expect he would get some sort of pay increase. A trade would be somewhat silly from the 49ers perspective considering their options at the moment.

Coleman, a returning from injury Jerick McKinnon, and Jeff Wilson are currently the other 49ers running backs.

Regardless of the outcome, this a reminder that it’s tough for the loser of the Super Bowl (and winner for that matter) to get back in the following season. Players want to be rewarded for their efforts.

Mostert’s trip to the pay window might be near.