By Andrew Gould Four years ago, the Cleveland Browns made Baker Mayfield the No. 1 pick of the 2018 NFL Draft. Now they’re trying to unload him. More than a month after acquiring Deshaun Watson, Cleveland has yet to move Mayfield. At this juncture, any potential suitors may wait to see if they draft a quarterback instead. Perhaps his trade market will pick up after the draft. One unlikely suitor could reportedly enter the picture. The Athletic’s Jeff Howe expects the Houston Texans to “be in the mix” for Mayfield and San Francisco 49ers quarterback Jimmy Garoppolo following the draft. He added…