Ohio State defensive end Nick Bosa made the tour of Bay Area NFL teams Wednesday and Thursday.

Bosa arrived in the Bay Area on Wednesday and met with 49ers representatives into the evening and throughout Thursday morning at the team’s headquarters in Santa Clara.

Then, Bosa made the short trip to Alameda, where he was observed during the Raiders local pro day. Bosa is not allowed to work out while making a pre-draft visit. He was seen on the field talking with Raiders general manager Mike Mayock.

[RELATED: Bosa changed his social media activity because of 49ers]

Bosa is expected to be one of the top players selected in the NFL draft, which begins with the first round on April 25 in Nashville. He is heavily linked to the 49ers with the No. 2 pick, but the Raiders have obvious interest as well if Bosa slips to No. 4