Cal defensive tackle Aidan Keanaaina has an ongoing lawsuit that he hoped would give him another year of eligibility at Cal, but he reportedly will sign a free-agent contract with the Detroit Lions, ending that hope. Matt Zenitz of CBS Sports reported Saturday that Keanaaina, who went undrafted, is expected to sign with the Lions. Once a player signs a pro contract he is not allowed to resume his college career in that sport, so unless there is an legal appeal that is unknown at the moment, Keanaaina won't be back at Cal. Source: The #Lions are expected to sign former Cal defensive lineman Aidan Keanaaina. The 6-3, 320-pounder, who began his career at Notre Dame, was an honorable mention All-ACC selection at Cal last season. Posted 101 total tackles the last two seasons.…