Sure but the point is he's WAY more efficient as the X receiver than Marv is.
For the year 61 catches in 94 targets Marv has 40 catches in 69 targets. So 58% for Marv 65% for MW. But Wilson has been even higher percentage as the X guy. In the 3 games he for sure was the X I count 49 targets 36 catches which is 73%. It's not apples to apples Mike is with Marv out, Marvs numbers are with Mike playing, and some of marvs were with Kyler. But it's been pretty apparent with JB at QB the best X receiver has been Mike not Marv.
If you change the offense I'm 100% fine with keeping them both, I heard there are actually NFL teams that throw the ball to BOTH WR's, it's apparently allowed. But in THIS offense, seems pretty apparent Mike is better than marv at the X position.
I don't fault Marv for sitting out after the appendectomy or the heel thing I never hate on players for not playing when hurt, but when playing he's just not been as efficient as Mike has. Marv has a higher YPC and more TD's, but he's also got more games as the X or primary WR.