Yes, it is usually safe to get sports tickets on eBay. Just make sure that you buy from a seller with a high rating.
Check the seller's feedback rating. I get my NFL tickets online from Vertex Tickets for a good selection and seating options. VertexTickets.com
Yes, you can sometimes find some cheap tickets on eBay. There are also fake tickets sold on eBay.
ebay
You can get tickets for sports in Boston online at Ticket Liquidators. You can also get them from Stub Hub.
Yes it is safe. But you have to pay for ebay.
The best site to buy sports tickets are at the venue sites or Ticketmaster. There are many sites that sell tickets illegally.
Get tickets from ebay.
ticket master or ebay
Ebay
You would be best getting them valued at a sports memoribilia auction, or try ebay.
Tickets for a Boxing Match could be purchased on eBay. There appears to be no information online at the moment, but for the Bute vs Pascal fight, tickets could be purchased on eBay.
If you are interested in purchasing sports tickets online then you will find several websites available. Vivid Seats, Stub Hub, and Tickets Now are just a few of the websites that offer sports tickets.